The meaning of LEXICON is a book containing an alphabetical arrangement of the words in a language and their definitions : dictionary. How to use lexicon in a sentence.

LEXICON definition: a wordbook or dictionary, especially of Greek, Latin, or Hebrew. See examples of lexicon used in a sentence.

/ ˈlek·sɪˌkɑn / Add to word list all the words used in a particular language or subject, or a dictionary (Definition of lexicon from the Cambridge Academic Content Dictionary © …

A lexicon (pl. lexicons, rarely lexica) is the vocabulary of a language or branch of knowledge (such as nautical or medical). In linguistics, a lexicon is a language's inventory of lexemes.

Definition of lexicon noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A lexicon is a dictionary, especially of a very old language such as Greek or Hebrew.

There are five meanings listed in OED's entry for the noun lexicon. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

lexicon meaning, definition, what is lexicon: an alphabetical list of words with their...: Learn more.

2 days ago · Clear and simple definitions in American English from Britannica's language experts. More usage examples than any other dictionary.

WordReference Random House Unabridged Dictionary of American English © 2025 lex•i•con (lek′ si kon′, -kən), n., pl. lex•i•ca (lek′ si kə), lex•i•cons. a wordbook or dictionary, esp. of Greek, …