outboard motor

noun
1.
a portable gasoline engine with propeller and tiller, clamped on the stern of a boat.
Origin
1905-10
Examples from the web for outboard motor
  • They were draining the outboard motor of fuel, so that they could fill up their car and drive off in search of food.
  • Boats may have an outboard motor attached, but anglers may not use the outboard motor, only the trolling motor.
  • The stern of the vessel shall also include a transom for mounting an outboard motor to power the vessel.
  • Boats propelled by oar or electric motors are welcome but outboard motor use is prohibited.