1The vocabulary of a person, language, or branch of knowledge.
lexicon, word stock, lexisView synonyms
- ‘the size of the English lexicon’
- 1.1A dictionary, especially of Greek, Hebrew, Syriac, or Arabic.
dictionary, wordbook, vocabulary list, glossary, wordfinderView synonyms
- ‘a Greek–Latin lexicon’
- 1.2Linguistics The complete set of meaningful units in a language.
Early 17th century modern Latin, from Greek lexikon (biblion) ‘(book) of words’, from lexis ‘word’, from legein ‘speak’.
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