bow thruster

Noun

 * 1) A propulsion unit mounted in or on the bow of a vehicle.
 * 2)  A sideways-pointing thruster mounted in a tunnel in the bow or under the bow in a pod, for increased maneuverability.
 * 3)  A fixed or adjustable direction propeller unit mounted on the bow of an airship for increased maneuverability.

Translations

 * Finnish: keulapotkuri