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usually uncountable, plural polysemies
(semantics) The property of a word, sign or symbol that can represent multiple meanings, including multiple similar ones. quotations examples
Fifty years ago the linguist and semanticist Stephen Ullmann wrote that polysemy, the fact that some words have a network of multiple but related meanings, is "the pivot of semantic analysis" (Ullmann 1957 : 117).
2011, Brigitte Nerlich, Polysemy: Flexible Patterns of Meaning in Mind and Language, page 3