Webster's Revised Unabridged Dictionary · 1913

Heifer

Heifer , noun

[Old English hayfare, Anglo-Saxon heáhfore, heáfore; the second part of this word seems akin to Anglo-Saxon fearr bull, ox; akin to Old High German farro, German farre, Dutch vaars, heifer, German farse, and perh. to Greek {not transcribed}, {not transcribed}, calf, heifer.]

(Zoology) A young cow.