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Noun: pinion  pin-yun
  1. A gear with a small number of teeth designed to mesh with a larger wheel or rack
     
  2. Any of the larger wing or tail feathers of a bird
    - flight feather, quill, quill feather
     
  3. Wing of a bird
    - pennon
Verb: pinion  pin-yun
  1. Bind the arms of
    - shackle
     
  2. Cut the wings off (of birds)

Derived forms: pinions, pinioning, pinioned

Type of: cogwheel, confine, disable, disenable, feather, gear, gear wheel, geared wheel, hold, incapacitate, plume, restrain, wing

Part of: bird, wing

Encyclopedia: Pinion