Vocabulary Definition

vō-kăbyə-lĕrē

vocabularies

noun

vocabularies

All the words of a language.

Webster's New World

A list of words and, often, phrases, abbreviations, inflectional forms, etc., usually arranged in alphabetical order and defined or otherwise identified, as in a dictionary or glossary.

Webster's New World

All the words used by a particular person, socioeconomic group, profession, etc.

Webster's New World

All the words recognized and understood, although not necessarily used, by a particular person.

Webster's New World

A supply of expressive means; a repertoire of communication.

A dancer's vocabulary of movement.

American Heritage

Synonyms:

Other Word Forms of Vocabulary

Noun

Singular:

vocabulary

Plural:

vocabularies

Origin of Vocabulary

French vocabulaire from Old French from Medieval Latin vocābulārium from neuter of vocābulārius of words from Latin vocābulum name vocable

From American Heritage Dictionary of the English Language, 5th Edition
Late Latin vocabularium, vocabularius: French vocabulaire. See vocable.

From Wiktionary