/ Dictionary / Index S scarlet firethorn: Meaning and Definition of Find definitions for: scar'let fire'thorn Pronunciation: [key] a Eurasian evergreen, thorny shrub, Pyracantha coccinea, of the rose family, having white, hairy flower clusters and bright red berries. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. scarlet fever scarlet gilia Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language