rudder

Noun
  1. A hinged vertical airfoil mounted at the tail of an aircraft and used to make horizontal course changes (synset 104124558)
    is a type of: aerofoil, airfoil, control surface, surface - a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight
    is a part of: vertical tail - the vertical airfoil in the tail assembly of an aircraft
  2. (nautical) steering mechanism consisting of a hinged vertical plate mounted at the stern of a vessel (synset 104124310)
    referred to in: navigation, sailing, seafaring - the work of a sailor
    is a type of: steering mechanism, steering system - a mechanism by which something is steered (especially a motor vehicle)
    has:
    • rudder blade - the vertical blade on a rudder
    • rudderpost, rudderstock - a vertical post at the forward edge of a rudder that enables the rudder to pivot
    • tiller - lever used to turn the rudder on a boat
    is a part of: vessel, watercraft - a craft designed for water transportation

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