outboard motor

Definitions of outboard motor
1

n internal-combustion engine that mounts at stern of small boat

Synonyms:
outboard
Type of:
ICE, internal-combustion engine
a heat engine in which combustion occurs inside the engine rather than in a separate furnace; heat expands a gas that either moves a piston or turns a gas turbine

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.