noun Linguistics. the
vocabulary of a
language, as distinct from its
grammar; the total stock of words and idiomatic combinations of them in a language; lexicon.
Origin: 1955–60; <
Greek léxis speech, diction, word, text, equivalent to
lég(
ein) to speak, recount (akin to
lógos account, word,
Latin legere to read; see
logos,
lection) +
-sis -sis