/ Dictionary / Index P pyracantha: Meaning and Definition of Find definitions for: py•ra•can•tha Pronunciation: (pī"ru-kan'thu), [key] — pl. -thas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pyracantha (Thesaurus) pyr- pyralid 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