/ Dictionary / Index Z zygosporangium: Meaning and Definition of Find definitions for: zy•go•spo•ran•gi•um Pronunciation: (zī"gō-spô-ran'jē-um, -spō-, zig"ō-), [key] — pl. -gi•a a sporangium that bears a zygospore. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. zygosity zygospore Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language