/ Dictionary / Index P polycotyledon: Meaning and Definition of Find definitions for: pol•y•cot•y•le•don Pronunciation: (pol"ē-kot"l-ēd'n), [key] — n. a plant having more than two cotyledons, as certain gymnosperms. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. polycot Polycrates Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language