/ Dictionary / Index E erigeron: Meaning and Definition of Find definitions for: e•rig•er•on Pronunciation: (i-rij'u-ron", -ur-un), [key] — n. any composite plant of the genus Erigeron, having flower heads resembling those of the asters but with narrower and usually more numerous white or purple rays. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: erigeron (Thesaurus) Erigena Erigone Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language