/ kəʊlt; NAmE koʊlt/ noun
1.
a young male horse up to the age of four or five
—compare filly , stallion
2.
( BrE ) a member of a sports team consisting of young players
3.
Colt ™ a type of small gun
••
WORD ORIGIN
Old English ; perhaps related to Swedish kult , applied to boys or half-grown animals.