noun rud·der·va·tor \ˈrədə(r)ˌvātə(r)\
variants: less commonly



Definition of ruddervator



  1. :  a movable airfoil at the trailing edge of a vee tail designed to perform the functions of both a rudder and an elevator

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Origin and Etymology of ruddervator

blend of rudder and elevator

First Known Use: 1945

Seen and Heard

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a rounded knoll or a ridge of ice

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