/ Dictionary / Index M motorboating: Meaning and Definition of Find definitions for: mo•tor•boat•ing Pronunciation: (mō'tur-bō"ting), [key] — n. the recreational activity of operating or traveling in a motorboat. a malfunction in audio equipment resulting in sounds like those produced by an outboard motor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: motorboating (Thesaurus) motorboat motorbus Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language