Colt
Pony
Stallion
Filly
Yearling
Mule
Foal
Tack
Mare
A cross between a horse and a donkey
A mature female horse over 4 years old
The equipment used when working with horses - halter, saddle, bridle, etc.
A young female horse under 4 years old
A mature horse of either gender that will never grow taller than 14.2 hands tall
A young horse of either gender that is still with its mother
A mature male horse that can reproduce
A young male horse under 4 years old
A horse that is officially 1 year old