n: sometimes made with a
cask, at the top-gallant mast-head of whalers, whence fish are espied.
Also, for the ice-master to note the lanes or open spaces in the ice.

CROY. An inclosure on the sea-beach in the north for catching fish. When
the tide flows the fishes swim over the wattles, but are left by the
ebbing of the water.

CRUE. _See_ KREEL.

CRUE-HERRING. The shad (_Clupea alosa_).

CRUER. _See_ CRARE.

CRUISE, OR CRUIZE. A voyage in quest of an enemy expected to sail
through any particular tract of the sea at a certain season,--the seeker
traversing the cruising latitude under easy sail, backward and forward.
The parts of seas frequented by whales are called the cruising grounds
of whalers.

CRUISERS. Small men-of-war, made use of in the Channel and elsewhere to
secure our merchant ships from the enemy's small frigates and
privateers. They were generally such as sailed well, and were well
manned.

CRUIVES. Inclosed spaces in a dam or weir for taking salmon.

CRUMMY. Fleshy or corpulent.

CRUPPER. The train tackle ring-bolt in a gun-carriage.

CRUSADO. _See_ CRUZADO.

CRUTCH, OR CROTCH. A support fixed upon the taffrail for the main boom
of a sloop, brig, cutter, &c., and a chock for the driver-boom of a ship
when their respective sails are furled. Also, crooked timber inside the
after-peak of a vessel, for securing the heels of the cant or
half-timbers: they are fayed and bolted on the foot-waling. Also,
stanchions of wood or iron whose upper parts are forked to receive
masts, yards, and other spars, and which are fixed along the sides and
gangways. Crutches are used instead of rowlocks, and also on the sides
of large boats to support the oars and spars.

CRUZADO. A Portuguese coin of 480 reis, value 2_s._ 7-1/4_d._ sterling
in Portugal; in England, 2_s._ to 2_s._ 2_d._

CUBBRIDGE HEADS. The old bulk-heads of the forecastle and half-decks,
wherein were placed the "murderers," or guns for clearing the decks in
emergency.

CUBE. A solid body inclosed by six square sides or faces. A cubical foot
is 12 inches square every way, of any solid substance.

CUB-HOUSE, OR CUBBOOS. _See_ CABOOSE.

CUBICULATAE. Roman ships furnished with cabins.

CUCKOLD'S-KNOT OR NECK. A knot by which a rope is secured to a spar--the
two parts of the rope crossing each other, and seized together.

CUDBEAR. (_See_ CORKIR.) A violet dye--archil, a test.

CUDBERDUCE. The cuthbert-duck, a bird of the Farne Isles, off
N