Main Entry: lex·i·con

Pronunciation: \ˈlek-sə-ˌkän also -kən\

Function: noun

Inflected Form(s): plural lex·i·ca \-kə\ or lexicons

Etymology: Late Greek lexikon, from neuter of lexikos of words, from Greek lexis word, speech, from legein to say — more at legend

Date: 1580

1 : a book containing an alphabetical arrangement of the words in a language and their definitions : dictionary
2 a : the vocabulary of a language, an individual speaker or group of speakers, or a subject b : the total stock of morphemes in a language
3 : repertoire, inventory