/ Dictionary / Index M Mosquito Coast: Meaning and Definition of Find definitions for: Mosqui'to Coast' Pronunciation: [key] a coastal region in Central America bordering on the Caribbean Sea, E of Honduras and Nicaragua. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mosquito boat mosquitofish Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language