Term
|
Definition
| Any of various devices dropped by a chain, cable or rope to the bottom of a body of water for preventing or restricting the motion of a vessel or other floating object. |
|
|
Term
|
Definition
| Machinery supplementary to main propulsive units. |
|
|
Term
|
Definition
| Any weight or weights (usually sea water) used to keep the ship from becoming "top heavy" or to change her trim. |
|
|
Term
|
Definition
| Watertight compartment to hold ballast. |
|
|
Term
|
Definition
| Curved section between the bottom ends of a ship; recess into which all water drains. |
|
|
Term
|
Definition
| A longitudinal member fitted to the outside of the shell on the bilge strake of plating to prevent excessive rolling of the ship. |
|
|
Term
|
Definition
| Course of plates at the bilge. |
|
|
Term
|
Definition
| A short iron column on the deck to which lines are attached. |
|
|
Term
|
Definition
| A steel arm fastened to a mast or king post to support loads that are being moved. |
|
|
Term
|
Definition
| The curved swelling portion of the ship's hull around the propeller shaft. |
|
|
Term
|
Definition
| A thick piece of steel in the form of a knee placed across the stem of a ship to strengthen the fore part and unite the bows on each side. |
|
|
Term
|
Definition
| A triangular plate used to connect rigidly two or more parts such as a deck beam to a frame, a frame to a margin plate, etc. |
|
|
Term
|
Definition
| Area from which the ship is controlled by the captain or the officer of the deck. |
|
|
Term
|
Definition
| A steel angle iron enlarged to a bulbous thickening at one end. |
|
|
Term
|
Definition
| Interior walls of a ship which subdivide the interior of a ship into compartments or rooms. |
|
|
Term
|
Definition
| A plate which overlaps and fastens two pieces butted together. |
|
|
Term
|
Definition
| Any of several frames bracketed after of the transom of a ship and inclined slightly tot he fore-and-aft direction. Or, any transverse frame not perpendicular not the fore-and-aft midship line. |
|
|
Term
|
Definition
| A device used by hand or machinery for winding in ropes, cables, etc. |
|
|
Term
|
Definition
| The large opening in a deck which permits the loading of cargo into holds. |
|
|
Term
|
Definition
| A bent plate used in minimizing chafing of ropes. |
|
|
Term
|
Definition
| A compartment in the forward portion of a ship in which anchor chain is stowed. |
|
|
Term
|
Definition
| A pipe for passage of achor chain from deck to chain locker. |
|
|
Term
|
Definition
| A fitting having two arms or horns around which ropes may be made fast. A clip on the frames of a ship used to hold cargo battens in place. |
|
|
Term
|
Definition
| A plate or stack extending above the deck at the edges of a hatch or skylight. |
|
|
Term
|
Definition
| A narrow vacant space between two bulkheads. A double watertight bulkhead. |
|
|
Term
|
Definition
| The watertight bulkhead nearest the bow of a ship; forepeak bulkhead. |
|
|
Term
|
Definition
| A part or space marked or partitioned off into a separate section or room such as a baggage compartment. |
|
|
Term
|
Definition
| Bulkhead with corrugated plating eliminating the need for many welded stiffeners. |
|
|
Term
|
Definition
| A shaped support for a boat, cast, etc., chock. |
|
|
Term
|
Definition
| The part of a ship that corresponds with the floor of a house. |
|
|
Term
|
Definition
| Any deck stiffeners running transversely or longitudinally; also called stringers (longitudinal), girders, longitudinal frames, etc. |
|
|
Term
|
Definition
| Any enclosed structure projecting above the weather vessel, and, usually, surrounded by exposed deck area on all sides. |
|
|
Term
|
Definition
| Space or compartments of a shp between the inner and outer bottoms used for ballast tanks, water, fuel oil, etc. Also know as the inner bottom. |
|
|
Term
|
Definition
| A pulley, thimble, etc., used to guide a rope forming part of the rigging of a ship, crane, etc., in such a way as to prevent chafing. |
|
|
Term
|
Definition
| Vertical transverse plates between inner bottom plating and bottom shell plating. |
|
|
Term
|
Definition
| The part of the keel which curves and rises to meet the stem. |
|
|
Term
|
Definition
| The large compartment or tank at the bow in the lower part of the ship. |
|
|
Term
|
Definition
| Collision bulkhead, bulkhead nearest bow. |
|
|
Term
|
Definition
| Supports for equipment of all types such as engines, boilers, machinery,etc. Usually built out of plate and angle iron. |
|
|
Term
|
Definition
| The members of the ship's hull. See Athwartship Frames and Longitudinal Frames. |
|
|
Term
|
Definition
| A light spar suspended from the upper part of the main mast, used to fly the national ensign (flag) when the ship is underway. |
|
|
Term
|
Definition
| The area of food preparation on a ship. |
|
|
Term
|
Definition
| An opening in the railing or bulwark of a ship as that into which a gangplank fits or an area of the weather deck of a ship between the side and a deckhouse. |
|
|
Term
|
Definition
| Caulk or rubber used to seal watertight doors or manholes. |
|
|
Term
|
Definition
| Light platform or walkway built up of metal bars used for access to machinery. |
|
|
Term
|
Definition
| The upper edge of the sides of the ship; the point at which the sides of the ship meet the main deck. |
|
|
Term
|
Definition
| Casting or castings through deck and side of ship at bow for passage of anchor chain. |
|
|
Term
|
Definition
| The inside of a hull; cargo space. |
|
|
Term
|
Definition
| The body of the ship including shell plating, framing, decks, bulkheads, keel, and floor. |
|
|
Term
|
Definition
| Plating forming the upper surface of the double bottom. Also called tank top. |
|
|
Term
|
Definition
| A plated surface of "shell" inside the outer shell plating used as additional protection in case of collision or other accidents. The space between the inner and outer shells is often used as a storage space for liquid ballast or cargo. |
|
|
Term
|
Definition
| A small flag usually symbolizing the nationality of the vessel. |
|
|
Term
|
Definition
| A flagstaff at the bow of a vessel on which a jack is flown. |
|
|
Term
|
Definition
| The main fore and aft member of a ship's frame. The keel runs along the bottom connecting the stem and stern and to it are attached the frames of the ship. |
|
|
Term
|
Definition
| The bottom shell strake on centerline of a ship. |
|
|
Term
|
Definition
| A stub mast outward from centerline used to carry cargo booms; often serve as ventilators. |
|
|
Term
| Length between Perpendicular (LBP) |
|
Definition
| The length of a ship measured from the forward perpendicular to the after perpendicular. |
|
|
Term
|
Definition
| The length of a ship measured from the extreme forward end of the aftermost point of the stern. |
|
|
Term
|
Definition
| Light wire ropes erected around the edges of weather decks to prevent personnel and equipment from being swept overboard. |
|
|
Term
|
Definition
| Holes in a plate to eliminate weight and to provide access to various sections. |
|
|
Term
|
Definition
| Any of a series of holes pierced through a frame or floor to allow the passage of liquids and venting. |
|
|
Term
|
Definition
| Beams running forward and aft. |
|
|
Term
|
Definition
| A partition wall running fore and aft made of plating. |
|
|
Term
|
Definition
| An entrance to a compartment or tank. |
|
|
Term
|
Definition
| Used to support radio and radar antennas, signal lights, and booms. A ship may have more than one mast. The two masts on a two-masted ship are foremast (first mast aft from the bow) and mainmast (the second mast aft from the bow. |
|
|
Term
|
Definition
| A cross section through the ship midway between the forward and after perpendiculars. |
|
|
Term
|
Definition
| A shed or building with a large smooth floor on which the lines of a ship can be drawn to full scale. |
|
|
Term
|
Definition
| A round or oval opening in the bulwark framed with a cast iron rim or collar used for passing the mooring rooms, cables, etc., through. |
|
|
Term
|
Definition
| An opening in the side of a ship. |
|
|
Term
|
Definition
| A vertical member or column which provides support to a deck girder. Also called a stanchion. |
|
|
Term
|
Definition
| An enclosed structure on the deck of a ship from which it can be navigated. |
|
|
Term
|
Definition
| A pin on which the rudder hinges. |
|
|
Term
|
Definition
| Long, flat pieces of timber, thicker than a board. |
|
|
Term
|
Definition
| The plates of a hull, a deck, a bulkhead, etc. |
|
|
Term
|
Definition
| A round, windowlike opening with a hinged, watertight glass cover in the side of a vessel for admitting air and light. |
|
|
Term
|
Definition
| A machine used to flatten and shape metal. |
|
|
Term
|
Definition
| A side elevation of a ship's form. |
|
|
Term
|
Definition
| A device having a revolving hub with radiating blades for propelling a ship. |
|
|
Term
|
Definition
| The after part of a ship's side usually from about the aftermost mast to the stern. |
|
|
Term
|
Definition
| A flat piece of structure of metal attached upright tot he sternpost (or in single-screw vessels to the rudder post) of a vessel's head to turn in the same direction because of the resistance offered to the water by the rudder. |
|
|
Term
|
Definition
| After part of tern frame to which rudder is attached, also called the stern post. |
|
|
Term
|
Definition
| The shank of a rudder which extends through shell upward to the steering engine. |
|
|
Term
|
Definition
| Drains from weather decks. |
|
|
Term
|
Definition
| A compartment through which sea water is admitted or discharged. |
|
|
Term
|
Definition
| An enclosure on a ship for housing a propeller shaft and a walk for oilers. Also called shaft tunnel. |
|
|
Term
|
Definition
| Forward and aft curvature of deck. |
|
|
Term
|
Definition
| A plan showing details of all shell plating and shell longitudinal. (Shell longitudinal would appear only on tankers.) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| A pipe through which the depth of liquid in a water or oil tank on board a ship can be measured or sounded. |
|
|
Term
|
Definition
| Serves to carry off smoke and hot gases from boilers and exhaust from the diesel engines in non-nuclear powered ships. |
|
|
Term
|
Definition
| An upright bar, post or support. To brace or secure. |
|
|
Term
|
Definition
| The apparatus or mechanism for steering a ship. |
|
|
Term
|
Definition
| Where the starboard and port sides intersect to form the forward leading edge of the sip. |
|
|
Term
|
Definition
| The framework of the stern of a ship. |
|
|
Term
|
Definition
| A long busing or bearing through the stern to support the end of a propeller shaft. |
|
|
Term
|
Definition
| Bulkheads (walls) that divide the ship into watertight compartments. |
|
|
Term
|
Definition
| The structure built above the uppermost complete deck on any vessel. |
|
|
Term
|
Definition
| A short section of a propeller shaft extending through the stern tube and carrying the propeller. |
|
|
Term
|
Definition
| An arm attached to the rudder head which is operated by the rudder. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Athwartship members forming the ship's "ribs." |
|
|
Term
|
Definition
| A large enclosed passage through the decks or bulkheads of a vessel for cooling, ventilation or the like. Or, any various watertight casings in a vessel, as the vertical one above the slot from a centerboard in the bottom of a boat. |
|
|
Term
|
Definition
| Connections between boilers and smokestacks. |
|
|
Term
|
Definition
| A row of vertical plates extending along the center of the flat plate keel. Also called the center keelson. |
|
|
Term
|
Definition
| A large frame that provides additional strength and is usually placed several frames apart. Also called a king frame. |
|
|
Term
|
Definition
| The crank or handle of a revolving machine. |
|
|
Term
|
Definition
| A device for raising or hauling objects, usually consisting of a horizontal cylinder or barrel turned by a crank, lever, motor or the like, upon which a cable or rope, or chain winds, the outer end of the cable being attached directly or indirectly to the weight to be raised or the thing to be hauled or pulled; winch. |
|
|
Term
|
Definition
| Spars mounted athwartship near the top of the masts. |
|
|
