[vo.cab.u.lary] n, pl -lar.ies [MF vocabulaire, prob. fr. ML vocabularium, fr. neut. of vocabularius verbal, fr. L vocabulum] (1532) 1: a list or collection of words or of words and phrases usu. alphabetically arranged and explained or defined: lexicon
2. a: a sum or stock of words employed by a language, group, individual, or work or in a field of knowledge b: a list or collection of terms or codes available for use (as in an indexing system)
3: a supply of expressive techniques or devices (as of an art form)