ocket.

CLAMP-NAILS. Such nails as are used to fasten clamps; they are short and
stout, with large heads.

CLAMPS. Pieces of timber applied to a mast or yard, to prevent the wood
from bursting. Also, thick planks lying fore and aft under the beams of
the first orlop or second deck, the same as the rising-timbers are to
the deck. They are securely fayed to all the timbers, to which they are
fastened by nails through the clamp, and penetrating two-thirds of the
thickness of the timbers. Also, substantial strakes, worked inside, on
which the ends of the beams rest. Also, smooth crooked plates of iron
forelocked upon the trunnions of cannon; these, however, are more
properly termed cap-squares. (_See_ CARRIAGE.) Also, any plate of iron
made to open and shut, so as to confine a spar. A one-cheeked block; the
spar to which it is fastened being the other cheek.--_To clamp_, is to
unite two bodies by surfaces or circular plates.--_Clamped_, is when a
piece of board is fitted with the grain to the end of another piece of
board across the grain.

CLAMS. Strong pieces used by shipwrights for drawing bolts, &c. Also, a
kind of forceps used for bringing up specimens of the bottom in
sounding; a drag. (_See_ CLAM.)

CLANG. The rattling or clashing of arms.

CLAP-BOARD [German, _klapp-bord_]. An east-country commercial plank,
which ought to be upwards of 13 feet in length; cask-staves are also
clap-boards. Clap-board, in the colonies, is the covering the side of a
house with narrow boards, "lapping fashion," in contradistinction to
shingling, or tiling, or clench-built.

CLAP-MATCH. A sort of seal, distinct from the fur-seal.

CLAP ON! The order to lay hold of any rope, in order to haul upon it.
Also, to "Clap on the stoppers before the bitts," _i.e._ fasten the
stoppers; or, "Clap on the cat-fall," _i.e._ lay hold of the
cat-fall.--_To clap a stopper over all_, to stop a thing effectually; to
clap on the stopper before the bitts next to the manger or hawse-hole;
to order silence.--_To clap in irons_, to order an offender into the
bilboes.--_To clap on canvas_, to make more sail.

CLAPPER. A name for the valve of a pump-box. Also, a plank or
foot-bridge across a running stream; also, the clapper of a bell.

CLAP-SILL. The lockage of a flood-gate.

CLARTY. In north-country whalers, used for _wet_, _slippery_.

CLASHY. Showery weather.

CLASP-HOOK. An iron clasp, in two parts, moving upon the same pivot, and
overlapping o