English

Definition of breech noun from the Oxford Advanced Learner's Dictionary

 

breech

 noun
noun
BrE BrE//briːtʃ//
 
; NAmE NAmE//briːtʃ//
 
 
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the part of a gun at the back where the bullets are loaded Word Origin Old English brēc (plural of brōc, of Germanic origin; related to Dutch broek), interpreted as a singular form. The original sense was ‘garment covering the loins and thighs’ (compare with breeches), hence ‘the buttocks’, later ‘the hind part’ of anything.
See the Oxford Advanced American Dictionary entry: breech

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