Definition of alimentary canal noun from the Oxford Advanced Learner's Dictionary

 

alimentary canal

 noun
noun
BrE BrE//ˌælɪmentəri kəˈnæl//
 
; NAmE NAmE//ˌælɪmentəri kəˈnæl//
 
 
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the passage in the body that carries food from the mouth to the anus
See the Oxford Advanced American Dictionary entry: alimentary canal