/ Dictionary / Index M mud berth: Meaning and Definition of Find definitions for: mud' berth" Pronunciation: [key] a mooring place in which a vessel rests on the bottom at low tide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mud mud bug Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language