/ Dictionary / Index P pycniospore: Meaning and Definition of Find definitions for: pyc•ni•o•spore Pronunciation: (pik'nē-u-spôr", -spōr"), [key] — n. Mycol. the spore produced in a pycnium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pycnidium pycnium Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language