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outboard

[out-bawrd, -bohrd] /ˈaʊtˌbɔrd, -ˌboʊrd/
adjective
1.
located on the exterior of a hull or aircraft.
2.
located farther from the center, as of an aircraft:
the outboard end of a wing.
3.
(of a motorboat) having an outboard motor.
adverb
4.
outside or away from the center of a hull, aircraft, machine, etc.:
The sail swung outboard.
Compare inboard.
noun
6.
a boat equipped with an outboard motor.
Origin of outboard
1815-1825
1815-25; out- + board
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for outboard

outboard

/ˈaʊtˌbɔːd/
adjective
1.
(of a boat's engine) portable, with its own propeller, and designed to be attached externally to the stern Compare inboard (sense 1)
2.
in a position away from, or further away from, the centre line of a vessel or aircraft, esp outside the hull or fuselage
adverb
3.
away from the centre line of a vessel or aircraft, esp outside the hull or fuselage
noun
4.
an outboard motor
5.
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
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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.

Online Etymology Dictionary, © 2010 Douglas Harper
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