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foal is a type of:

• young mammal (noun) - any immature mammal

types of foal:

• colt (noun) - a young male horse under the age of four
• filly (noun) - a young female horse under the age of four

foal is a member of:

• horse, Equus caballus (noun) - solid-hoofed herbivorous quadruped domesticated since prehistoric times

foal is derivationally related to:

• to foal (verb) - give birth to a foal

to foal is a way to:

• to give birth, deliver, bear, birth, have (verb) - cause to be born

to foal is derivationally related to:

• foal (noun) - a young horse