Definition of Pinion
Pinion
pi·ni·on
Definition/Meaning
(noun)
A feather, especially a large or strong one, on a bird's wing or tail.
e.g. The eagle's pinion feathers were strong and sharp.
(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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