Foaling

from 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]