(Science: zoology) The young of any animal of the horse family (Equidae); a colt; a filly.
(Science: zoology) foal teeth, the first set of teeth of a horse. In foal, With foal, being with young; pregnant; said of a mare or she ass.
Origin: oe. Fole, as. Fola; akin to OHG. Folo, g. Fohlen, goth. Fula, Icel. Foli, Sw Lf?le, gr.?????, L. Pullus a young animal. Cf. Filly, Poultry, pullet.