/ Dictionary / Index B boat bug: Meaning and Definition of Find definitions for: boat' bug" Pronunciation: [key] See backswimmer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. boatbill boatbuilder Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language