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WordReference Random House Learner's Dictionary of American English © 2024pin•ion2 /ˈpɪnyən/USA pronunciation v. [~ + object]- to bind or hold (a person's limbs) so they cannot be used:Pinioned to the ground, the assassin offered no further resistance.
WordReference Random House Unabridged Dictionary of American English © 2024pin•ion1 (pin′yən),USA pronunciation n. - [Mach.]
- Mechanical Engineeringa gear with a small number of teeth, esp. one engaging with a rack or larger gear. See diag. under rack 1.
- Mechanical Engineeringa shaft or spindle cut with teeth engaging with a gear.
- Metallurgya gear driving a roll in a rolling mill.
- Latin pectin- (stem of pecten) comb; see pecten
- French pignon cogwheel, Middle French peignon, derivative of peigne comb, variant of pigne
- 1650–60
- Birdsthe distal or terminal segment of the wing of a bird consisting of the carpus, metacarpus, and phalanges.
- Birdsthe wing of a bird.
- Birdsa feather.
- Birdsthe flight feathers collectively.
v.t. - Birdsto cut off the pinion of (a wing) or bind (the wings), as in order to prevent a bird from flying.
- Birdsto disable or restrain (a bird) in such a manner.
- to bind (a person's arms or hands) so they cannot be used.
- to disable (someone) in such a manner;
shackle. - to bind or hold fast, as to a thing:to be pinioned to one's bad habits.
- Vulgar Latin *pinniōn (stem of pinniō), derivative of Latin pinna feather, wing, fin
- Middle French pignon wing, pinion
- late Middle English pynyon 1400–50
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