/ Dictionary / Index P plagiotropism: Meaning and Definition of Find definitions for: pla•gi•ot•ro•pism Pronunciation: (plā"jē-o'tru-piz"um), [key] — n. Bot. plagiotropic tendency or growth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. plagiotropic plague 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