/ Dictionary / Index M myxospore: Meaning and Definition of Find definitions for: myx•o•spore Pronunciation: (mik'su-spôr", -spōr"), [key] — n. Mycol. a spore produced within any of various fruiting bodies of myxomycetes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. myxomycetous myxovirus Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language