[f. COLT + -HOOD.] The state of being a colt; the colt stage of life.
1865. Mrs. Whitney, Gayworthys, I. 126. Old Flighty, named in colthood, but long outgrown her title.
1887. T. Hardy, Woodlanders, I. i. 5. Leg-joints, shoulders, and hoofs were distorted by harness and drudgery from colthood.