"pinion" in the noun sense
a gear with a small number of teeth designed to mesh with a larger wheel or rack
2. flight feather, pinion, quill, quill feather
any of the larger wing or tail feathers of a bird
3. pennon, pinion
wing of a bird
"pinion" in the verb sense
1. pinion, shackle
bind the arms of
cut the wings off (of birds)
Source: WordNet® (An amazing lexical database of English)
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