/ Dictionary / Index S sporangiospore: Meaning and Definition of Find definitions for: spo•ran•gi•o•spore Pronunciation: (spu-ran'jē-u-spôr", -spōr"), [key] — n. Bot., Mycol. a spore that is produced within a sporangium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sporangiophore sporangium Related Content Daily Word Quiz: ablution Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language