outboard

[out-bawrd, -bohrd]

adjective

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.

adverb

outside or away from the center of a hull, aircraft, machine, etc.: The sail swung outboard.Compare inboard.

noun

an outboard motor.
a boat equipped with an outboard motor.

Origin of outboard

First recorded in 1815–25; out- + board

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for outboard

Historical Examples of outboard

We picked up a shell which went off inside our outboard engine.
A Yankee Flier Over Berlin
Al Avery
Standing on the end of the spar, he was outboard; the frothing sea was under him.
Blow The Man Down
Holman Day
Men began to cut the covers off the boats, and to swing some of them outboard.
Benita, An African Romance
H. Rider Haggard
But even with an outboard, they probably wouldn't have come this far.
The Electronic Mind Reader
John Blaine
Doug inspected the catch as the outboard went back to the yacht.
Creatures of the Abyss
Murray Leinster

British Dictionary definitions for outboard

outboard

adjective

(of a boat's engine) portable, with its own propeller, and designed to be attached externally to the sternCompare inboard (def. 1)
in a position away from, or further away from, the centre line of a vessel or aircraft, esp outside the hull or fuselage

adverb

away from the centre line of a vessel or aircraft, esp outside the hull or fuselage

noun

an outboard motor
a boat fitted with an outboard motor

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for outboard

adj.

"situated on the outside of a ship," 1823, from out + board (n.2). In reference to motors, from 1909.