/ Dictionary / Index S spermogonium: Meaning and Definition of Find definitions for: sper•mo•go•ni•um Pronunciation: (spûr"mu-gō'nē-um), [key] — pl. -ni•a one of the cup-shaped or flask-shaped receptacles in which the spermatia of certain fungi and red algae are produced. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spermo- sperm oil Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language