/ Dictionary / Index M marine barometer: Meaning and Definition of Find definitions for: marine' barom"eter Pronunciation: [key] a barometer for use on shipboard, esp. one mounted on gimbals so as to minimize the effects of the motion of the vessel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. marine archaeology marine belt Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language