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English definition of “pinion”

pinion

verb [T] uk   /ˈpɪn.jən/ us  
to hold someone, especially by the arms, to prevent them from moving: He was pinioned to the wall by two men while another one repeatedly punched him.Having in your hands

pinion

noun [C] uk   /ˈpɪn.jən/ us  
a small wheel with teeth-like parts around its edge that fit against similar parts on a larger wheel or a rack (= bar with teeth-like parts): a rack-and-pinion assemblyMachine parts
(Definition of pinion from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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