/ Dictionary / Index E euonymus: Meaning and Definition of Find definitions for: eu•on•y•mus Pronunciation: (y-on'u-mus), [key] — n. any of several shrubs or small trees of the genus Euonymus, of northern temperate regions, having opposite leaves, branching clusters of small, greenish or purplish flowers, and crimson or rose-colored capsules that on opening disclose the seed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: euonymus (Thesaurus) eunuchoidism eupatorium Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language