/ Dictionary / Index P plexiform: Meaning and Definition of Find definitions for: plex•i•form Pronunciation: (plek'su-fôrm"), [key] — adj. of, pertaining to, or resembling a plexus. intricate; complex. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. plexal Plexiglas Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language