/ Dictionary / Index P polyanthus: Meaning and Definition of Find definitions for: pol•y•an•thus Pronunciation: (pol"ē-an'thus), [key] — pl. -thus•es. a hybrid primrose, Primula polyantha. a narcissus, Narcissus tazetta, having small white or yellow flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: polyanthus (Thesaurus) polyangular polyarchy Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language