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.