Heifer \Heif"er\, n. [OE. hayfare, AS. he['a]hfore, he['a]fore; the second part of this word seems akin to AS. fearr bull, ox; akin to OHG. farro, G. farre, D. vaars, heifer, G. f["a]rse, and perh. to Gr. ?, ?, calf, heifer.]

(Zo["o]l.) A young cow.

Source: Webster's Revised Unabridged Dictionary (1913)