CHEVAUX DE FRISE. An adopted term for pickets pointed with iron, and standing through beams, to stop an enemy: this defence is also called a turn-pike or pike-turn.

CHEVENDER. An old name for the chevin or chub.

CHEVILS. See [Kevels].

CHEVIN. An old name for the chub.

CHEVRON. The distinguishing mark on the sleeves of sergeants' and corporals' coats, the insignia of a non-commissioned officer. Also, a mark recently instituted as a testimony of good conduct in a private. Further, now worn by seamen getting good-service pay.

CHEWING OF OAKUM or Pitch. When a ship suffers leakage from inefficient caulking. (See [Seam].)

CHEZ-VOUS. A kind of "All Souls" night in Bengal, when meats and fruits are placed in every corner of a native's house. Hence shevoe, for a ship-gala.

CHICO [Sp. for small].—Boca-chica, small mouth of a river.

CHIEF. See [Commander-in-chief]. A common abbreviation.

CHIEF MATE, or Chief Officer. The next to a commander in a merchantman, and who, in the absence of the latter, acts as his deputy.