outboard_motor has definitions from the field of physics
1
[ noun ] (physics) internal-combustion engine that mounts at stern of small boat

Synonyms

outboard

Used in print

(Peter J. White, "Report on Laos"...)

Crossing the 4000 - foot width of the Mekong at Champassak , on a raft with an outboard_motor , we took_off our dusty shirts and enjoyed a veritable ocean breeze .

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