/ Dictionary / Index P perispore: Meaning and Definition of Find definitions for: per•i•spore Pronunciation: (per'u-spôr", -spōr"), [key] — n. Mycol. a membrane surrounding a spore. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. perishing perissodactyl Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language