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English definition of “posterior”

posterior

noun     /pɒsˈtɪə.ri.ər/ US  /pɑːˈstɪr.i.ɚ/ humorous
your posterior your bottom : If you would kindly move your posterior just a fraction to the right , I might get by.The buttocks
(Definition of posterior noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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