/ Dictionary / Index M marine engineering: Meaning and Definition of Find definitions for: marine' engineer'ing Pronunciation: [key] the branch of mechanical engineering that deals with the design, construction, installation, operation, and repair of the machinery of vessels. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. marine engineer marine geology Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language