COLTSFOOT
Colts"foot`, n. (Bot.)

Defn: A perennial herb (Tussilago Farfara), whose leaves and rootstock are sometimes employed in medicine. Butterbur coltsfoot (Bot.), a European plant (Petasites vulgaris).

COLT'S TOOTH
Colt's" tooth`.

Defn: See under Colt.

COLUBER
Col"u*ber, n. Etym: [L., a serpent.] (Zoöl.)

Defn: A genus of harmless serpents.

Note: Linnæus placed in this genus all serpents, whether venomous or not, whose scales beneath the tail are arranged in pairs; but by modern writers it is greatly restricted.

COLUBRINE
Col"u*brine, a. Etym: [L. colubrinus.]

1. (Zoöl.)

Defn: like or related to snakes of the genus Coluber.