roer

Definitions of roer
  1. noun
    (nautical) steering mechanism consisting of a hinged vertical plate mounted at the stern of a vessel
  2. noun
    a hinged vertical airfoil mounted at the tail of an aircraft and used to make horizontal course changes
    synonyms: richtingsroer, stuurroer
    see moresee less
    type of:
    draagvleugel, propellerblad
    a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight
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