/ Dictionary / Index P poinsettia: Meaning and Definition of Find definitions for: poin•set•ti•a Pronunciation: (poin-set'ē-u, -set'u), [key] — n. a plant, Euphorbia (Poinsettia) pulcherrima, of the spurge family, native to Mexico and Central America, having variously lobed leaves and brilliant scarlet, pink, or white petallike bracts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: poinsettia (Thesaurus) poinciana point Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language