/ Dictionary / Index S sporogonium: Meaning and Definition of Find definitions for: spo•ro•go•ni•um Pronunciation: (spôr"u-gō'nē-um, spōr"-), [key] — pl. -ni•a the sporangium of mosses and liverworts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sporogenous sporogony Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language