/ Dictionary / Index S seminiferous: Meaning and Definition of Find definitions for: sem•i•nif•er•ous Pronunciation: (sem"u-nif'ur-us), [key] — adj. conveying or containing semen. bearing or producing seed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: seminiferous (Thesaurus) semination seminiferous tubule Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language