pinion meaning and definition

PINION noun

Definition of pinion (noun)

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
   • synonyms: flight feather, quill, quill feather
3. wing of a bird
   • synonyms: pennon

PINION verb

Definition of pinion (verb)

1. bind the arms of
   • synonyms: shackle
2. cut the wings off (of birds)