noun, plural: vocabularies
(1) The words of a language used for self-expression or communication.
(2) A list of words (or phrases) with their meanings or translations, usually arranged alphabetically.
(3) A set of signs or symbols that are used for nonverbal communication, as in ‘vocabulary of a computer’
Word origin: from French vocabulaire, from Old French, from Medieval Latin vocābulārium, from neuter of vocābulārius, of words, from Latin vocābulum.