/ Dictionary / Index Z zoosporangium: Meaning and Definition of Find definitions for: zo•o•spo•ran•gi•um Pronunciation: (zō"u-spu-ran'jē-um), [key] — pl. -gi•a a sporangium or spore case in which zoospores are produced. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. zoosperm zoospore Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language