/ Dictionary / Index E erumpent: Meaning and Definition of Find definitions for: e•rum•pent Pronunciation: (i-rum'punt), [key] — adj. bursting forth. (of fungi or algae) prominent; projecting from or bursting through host tissue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. erudition erupt Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language