outboard
outboard Lexical Profile
outboard Game Scores & Validity
• adjective
Situated on, mounted on, or projecting beyond the outside of the hull of a boat or ship, or positioned away from the fuselage toward the wingtip of an aircraft.
"The mechanic inspected the aircraft's outboard engine after the flight."
• noun
A portable internal-combustion or electric motor with a propeller attached, designed to be mounted externally on the transom at the stern of a small boat.
"He clamped a small outboard to the back of the aluminum fishing skiff."
A small motorboat powered by an externally mounted motor at the stern.
"Several fast outboards raced across the bay toward the marina."
• adverb
Toward or on the outside of a ship's hull, or away from the centerline of an aircraft or vehicle.
"The auxiliary fuel tanks are mounted outboard beneath the wings."
Word Origin & Etymology
First recorded in the late 17th century as a nautical compound of 'out' and 'board' (referring to the side of a ship), originally meaning outside a vessel's hull.