/ Dictionary / Index P polypnea: Meaning and Definition of Find definitions for: pol•yp•ne•a Pronunciation: (pol"ip-nē'u), [key] — n. Med. rapid breathing; panting. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. polyploid polypod Related Content Daily Word Quiz: reluctant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language