pinion
1pin·ion
noun \ˈpin-yən\Definition of PINION
1
: the terminal section of a bird's wing including the carpus, metacarpus, and phalanges; broadly : wing
Origin of PINION
Middle English, probably modification of Anglo-French *empignon, enpenoun flight feathers, ultimately from Vulgar Latin *pinnion-, pinnio, from Latin pinna feather — more at pen
First Known Use: 15th century
2pinion
transitive verbDefinition of PINION
1
a : to disable or restrain by binding the arms b : to bind fast : shackle
2
: to restrain (a bird) from flight especially by cutting off the pinion of one wing
Examples of PINION
- They pinioned his arms behind his back.
- <Joan of Arc was pinioned to a stake and burned as a heretic.>
First Known Use of PINION
1558
3pinion
nounDefinition of PINION
1
: a gear with a small number of teeth designed to mesh with a larger wheel or rack
2
: the smaller of a pair or the smallest of a train of gear wheels
Origin of PINION
French pignon, from Middle French peignon, from peigne comb, from Latin pecten — more at pectinate
First Known Use: 1659
Other Mechanical Engineering Terms
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