“sperm” – English explanatory dictionary

noun a male sex cell which fertilises female eggs ○ Out of millions of sperm only one will fertilise an egg. (NOTE: The plural is sperm.)

n.[F. sperme, L. sperma, Gr. , , from to sow. Cf. Spore.] (Physiol.) The male fecundating fluid; semen. See Semen. Sperm cell (Physiol.), one of the cells from which the spermatozoids are developed. — Sperm morula. (Biol.) Same as Spermosphere.

n.[Contr. fr. spermaceti.] Spermaceti. Sperm oil, a fatty oil found as a liquid, with spermaceti, in the head cavities of the sperm whale. — Sperm whale. (Zoöl.) See in the Vocabulary.