NOUN (1)

1. a young horse;


VERB (1)

1. give birth to a foal;
- Example: "the mare foaled"

The Collaborative International Dictionary of English v.0.48:

Foal \Foal\ (f[=o]l), n. [OE. fole, AS. fola; akin to OHG. folo,
   G. fohlen, Goth. fula, Icel. foli, Sw. f[*a]le, Gr. pw^los,
   L. pullus a young animal. Cf. Filly, Poultry, Pullet.]
   (Zo["o].)
   The young of any animal of the Horse family (Equid[ae]); a
   colt; a filly.
   [1913 Webster]

   Foal teeth (Zool.), the first set of teeth of a horse.

   In foal, With foal, being with young; pregnant; -- said
      of a mare or she ass.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Foal \Foal\ (f[=o]l), v. t. [imp. & p. p. Foaled (f[=o]ld); p.
   pr. & vb. n. Foaling.]
   To bring forth (a colt); -- said of a mare or a she ass.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Foal \Foal\ (f[=o]l), v. i.
   To bring forth young, as an animal of the horse kind.
   [1913 Webster]

WordNet (r) 3.0 (2006):

foal
    n 1: a young horse
    v 1: give birth to a foal; "the mare foaled"