Yee-Haw: Are You Cowboy Enough To Win Horse Trivia? What is the term for a castrated male horse? (OUCH!) Stallion Mare Gelding Colt None What is the term for a female horse? Stallion Mare Gelding Foal None At what age is a young horse called a "colt" or "filly"? 2 years 3 years 4 years 5 years None What is the term for the study of horses? Equinology Equestrianism Equineology Hippology None What is the term for a mature male horse? Mare Stallion Gelding Colt None Time's up Most Popular Most Popular
