/ Dictionary / Index E euphorbia: Meaning and Definition of Find definitions for: eu•phor•bi•a Pronunciation: (y-fôr'bē-u), [key] — n. any plant of the genus Euphorbia, comprising the spurges. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: euphorbia (Thesaurus) euphony euphorbiaceous Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language