Definition of Pinion
Pinion
pin·ion
Definition/Meaning
(verb)
to restrain the limbs of a person or animal, often by holding or tying;
e.g. He used rope to pinion the animal's paws before loading it into the truck.
(verb)
to cut off a part of a bird's feathers or wing to prevent it from flying;
e.g. He pinioned the feathers of the parrot so that it could no longer fly.
(noun)
the outer part of a bird's wing that includes the flight feathers;
e.g. They cut the bird's pinions so that it couldn't fly anymore.
(noun)
a small round gear that is designed to mesh with a larger wheel;
e.g. A pinion is used in several applications, such as rack and drivetrain systems.
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