/ Dictionary / Index S spermatogenesis: Meaning and Definition of Find definitions for: sper•mat•o•gen•e•sis Pronunciation: (spûr-mat"u-jen'u-sis, spûr"mu-tu-), [key] — n. Biol. the origin and development of spermatozoa. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: spermatogenesis (Thesaurus) spermatocyte spermatogenous Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language