GLOSSARY. - CONT - TM-55-1915-200-100027

TM 55-1915-200-10

1-6. GLOSSARY. - CONT

CHOCKS

Heavy fittings with round or oval holes secured to the

deck or fitted in a vessel's bulwark, through which

hawsers and lines are passed; also blocks of wood for

supporting boats and weights.

CLEAT

Wood or metal fitting that has two projecting horns to

which a line is secured.

COAMING

Sidewall of a hatch projecting above the deck around

the perimeter of the hatch to prevent water from going

below.

Stockless anchor, easy to handle and stow.

DANFORTH ANCHOR

Small cranes on a vessel that are used to hoist and

DAVITS

lower boats.

Strong shutters that screw down upon air portholes and

DEADLIGHTS

keep out water in heavy weather.

Type of internal-combustion engine in which air is

DIESEL ENGINE

compressed to a temperature sufficiently high to ignite

fuel injected directly into the cylinder.

Small, bent metal fittings used to secure watertight

DOGS

doors, hatch covers and manhole covers; to close and

fasten as tight as possible.

Watertight tanks formed by placing steel plating a few

DOUBLE-BOTTOM TANKS

feet above the skin or outer bottom for the purpose of

protecting a vessel if the outer bottom is damaged; used

to store oil and water.

Single load of cargo; also refers to a vessel's depth

DRAFT

below the waterline.

Compartment containing the propulsion machinery of a

ENGINE ROOM

vessel.

Flag; the emblem of a vessel's nationality.

ENSIGN

An opinion or judgment of the nature, character, or

ESTIMATE

quality of something.

Fittings or devices used in preserving the direction of

FAIRLEAD

line, chain, or wire so that it may be delivered fairly, or

on a straight lead, to the sheave or drum.

Unit of measure equal to 6 feet.

FATHOM

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