/ Dictionary / Index M marsh wren: Meaning and Definition of Find definitions for: marsh' wren" Pronunciation: [key] Also calleda North American wren, Cistothorus palustris, that inhabits tall reed beds. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. marsh trefoil marshy 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