/ Dictionary / Index M marshbuck: Meaning and Definition of Find definitions for: marsh•buck Pronunciation: (märsh'buk"), [key] sitatunga. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Marshalsea marsh buggy Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language