/ Dictionary / Index P polysepalous: Meaning and Definition of Find definitions for: pol•y•sep•al•ous Pronunciation: (pol"ē-sep'u-lus), [key] — adj. Bot. having a calyx of separate or unconnected sepals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. polysemy polysome Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language