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pin·ion 1

1. The wing of a bird.
2. The outer rear edge of the wing of a bird, containing the primary flight feathers.
3. A primary flight feather of a bird.
tr.v. pin·ioned, pin·ion·ing, pin·ions
a. To remove or bind the wing feathers of (a bird) to prevent flight.
b. To cut or bind (the wings of a bird).
a. To restrain or immobilize (a person) by binding the arms.
b. To bind (a person's arms).
3. To bind fast or hold down; shackle.

[Middle English, from Old French pignon, from Vulgar Latin *pinniō, pinniōn-, from Latin penna, pinna, feather; see pinna.]

pin·ion 2

A small cogwheel that engages or is engaged by a larger cogwheel or a rack.

[French pignon, from Old French peignon, probably from peigne, comb, from Latin pecten, from pectere, to comb.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.pinioned - (of birds) especially having the flight feathers
winged - having wings or as if having wings of a specified kind; "the winged feet of Mercury";
2.pinioned - bound fast especially having the arms restrained
bound - confined by bonds; "bound and gagged hostages"
References in classic literature ?
Akut had just time to leap to one side to avoid being pinioned beneath these battling monsters of the jungle.
And whereas they have, all their times, sacrificed to themselves, they become in the end, themselves sacrifices to the inconstancy of fortune, whose wings they thought, by their self-wisdom, to have pinioned.
The other prisoners had better usage; two of them were kept pinioned, indeed, because the captain was not able to trust them; but the other two were taken into my service, upon the captain's recommendation, and upon their solemnly engaging to live and die with us; so with them and the three honest men we were seven men, well armed; and I made no doubt we should be able to deal well enough with the ten that were coming, considering that the captain had said there were three or four honest men among them also.