/ Dictionary / Index O outboard: Meaning and Definition of Find definitions for: out•board Pronunciation: (out'bôrd", -bōrd"), [key] — adj. located on the exterior of a hull or aircraft. located farther from the center, as of an aircraft: the outboard end of a wing. (of a motorboat) having an outboard motor. —adv. outside or away from the center of a hull, aircraft, machine, etc.:Cf. The sail swung outboard. —n. an outboard motor. a boat equipped with an outboard motor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: outboard (Thesaurus) outbluff outboard motor Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language