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

 

polysemy

 noun
noun
BrE BrE//pəˈlɪsɪmi//
 
; NAmE NAmE//pəˈlɪsɪmi//
 
[uncountable](linguistics)
 
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the fact of having more than one meaning Word Origin early 20th cent.: from poly- ‘many’ + Greek sēma ‘sign’.
See the Oxford Advanced American Dictionary entry: polysemy