Horse Trivia admin - 0 What is the term for a female horse? Stallion Mare Gelding Foal None What is the term for a castrated male horse? Stallion Mare Gelding Colt None Q: 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? Hippology Equinology Equestrianism Equineology None What is the term for a mature male horse? Stallion Mare Gelding Colt None Time's up
