Colza, kol′za, n. a kind of cabbage whose seeds yield oil for lamps. [Dut. koolzaad, cabbage-seed.]

Coma, kō′ma, n. deep sleep: stupor.—adj. Com′atose, affected with coma: drowsy. [Gr. kōma.]

Coma, kō′ma, n. (bot.) a tuft or bunch of hairy-like appendages as on some seeds: the leafy branches forming the head of a tree: (astron.) the nebulous envelope surrounding the nucleus of a comet. [L.—Gr. komē, hair of the head.]

Comarb, kō′märb, n. the head of one of the families composing an old Irish sept: the successor in an ecclesiastical office, abbot, vicar, &c.—Better Cō′arb. [Ir. comharba, successor.]

Comart, kō′märt, n. (Shak.) an agreement.

Comate, kō′māt, n. (Shak.) a mate or companion.

Comb, kōm, n. a toothed instrument for separating and cleaning hair, wool, flax, &c.: the crest of a cock: the top or crest of a wave or of a hill: an aggregation of cells for honey.—v.t. to separate, arrange, or clean by means of a comb: to dress with a comb: (Shak.) to beat.—v.i. to break with a white foam, as the top of a wave.—adj. Combed.—n. Comb′er, one who or that which combs wool, &c.—n.pl. Comb′ings, hairs combed off.—adjs. Comb′less (Shak.), without a comb; Comb′wise; Comb′y.—n. Crop′-comb, a semicircular comb worn by girls.—Comb off, to remove. [A.S. camb.]

Comb, Combe. See Coomb.

Combat, kom′bat, or kum′bat, v.i. to contend or struggle.—v.t. to beat against: to contest: to oppose: to debate.—n. a struggle: a fight.—adjs. Com′batable, capable of being combated; Com′batant, disposed to combat.—n. one who combats; Com′bative, inclined to quarrel.—n. Com′bativeness.—Combatant officer, one who takes part in the action, as opposed to the medical officers, &c., who are Non-combatant. [Fr. combattre, to fight—com, with, and battre, to beat. See Beat.]

Comber, kom′bēr, n. a name applied to the gaper, a sea-perch, and to a species of wrasse.