v. t. 1. To horse; to get with young. Shak. [ 1913 Webster ]

2. To befool. [ Obs. ] Shak. [ 1913 Webster ]

n. [ OE. colt a young horse, ass, or camel, AS. colt; cf. dial. Sw. kullt a boy, lad. ] 1. The young of the equine genus or horse kind of animals; -- sometimes distinctively applied to the male, filly being the female. Cf. Foal. [ 1913 Webster ]

☞ In sporting circles it is usual to reckon the age of colts from some arbitrary date, as from January 1, or May 1, next preceding the birth of the animal. [ 1913 Webster ]

2. A young, foolish fellow. Shak. [ 1913 Webster ]

3. A short knotted rope formerly used as an instrument of punishment in the navy. Ham. Nav. Encyc. [ 1913 Webster ]

Colt's tooth, an imperfect or superfluous tooth in young horses. --
To cast one's colt's tooth, to cease from youthful wantonness. “Your colt's tooth is not cast yet.” Shak. --
To have a colt's tooth, to be wanton. Chaucer. [ 1913 Webster ]

v. i. To frisk or frolic like a colt; to act licentiously or wantonly. [ Obs. ] [ 1913 Webster ]

They shook off their bridles and began to colt. Spenser. [ 1913 Webster ]

n. [ AS. culter, fr. L. culter plowshare, knife. Cf. Cutlass. ] A knife or cutter, attached to the beam of a plow to cut the sward, in advance of the plowshare and moldboard. [ Written also coulter. ] [ 1913 Webster ]

a. Like a colt; wanton; frisky. [ 1913 Webster ]

He was all coltish, full of ragery. Chaucer.

-- Colt"ish*ly, adv. -- Colt"ish*ness, n. [ 1913 Webster ]

. (Firearms) A self-loading or semi-automatic pistol with removable magazine in the handle holding seven cartridges. The recoil extracts and ejects the empty cartridge case, and reloads ready for another shot. Called also Browning pistol, Colt-Browning pistol, automatic pistol and automatic. [ Webster 1913 Suppl. +PJC ]

. (Firearms) A revolver made according to a system using a patented revolving cylinder, holding six cartridges, patented by Samuel Colt, an American inventor, in 1835. With various modifications, it was for many years been the standard for the United States army. [ Webster 1913 Suppl. ]

n. (Bot.) A perennial herb (Tussilago Farfara), whose leaves and rootstock are sometimes employed in medicine. [ 1913 Webster ]

Butterbur coltsfoot (Bot.), a European plant (Petasites vulgaris). [ 1913 Webster ]

See under Colt. [ 1913 Webster ]

v. t. [ 1st pref. un- + colt. ] To unhorse. [ Obs. & R. ] Shak. [ 1913 Webster ]