pinion
IPA: pˈɪnjʌn
noun
- A wing.
- (ornithology) The joint of a bird's wing farthest from the body.
- (ornithology) Any of the outermost primary feathers on a bird's wing.
- A moth of the genus Lithophane.
- (mechanical engineering) The smallest gear in a gear train.
- A surname.
verb
- To cut off the pinion of a bird’s wing, or otherwise disable or bind its wings, in order to prevent it from flying.
- To bind the arms of someone, so as to deprive him of their use; to disable by so binding.
- (transferred sense, figurative) To restrain; to limit.
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Examples of "pinion" in Sentences
- He uses a pinion pillow when sleeping.
- Birds change their pinions once a year.
- The dead bird was found with no pinions.
- Some birds make their nest with pinions.
- Birds' scruffy pinions are only temporary.
- This rotates the pinion and lifts the paddle.
- Birds are covered with pinion instead of fur.
- The pinion is coupled to a micrometer caliper.
- A tachometer needle is coupled to the rack and pinion assembly.
- A common drive is provided to rotate the pinions in synchronism.