vocabulary

Concise Oxford English Dictionary © 2008 Oxford University Press:
vocabulary/vəˈkabjələri/

▶noun (pl. vocabularies)

• 1 the body of words used in a particular language or in a particular sphere of activity.

  ■ the body of words known to an individual person.

  ■ a list of difficult or foreign words with an explanation of their meanings.

• 2 a range of artistic or stylistic forms or techniques.

– origin C16: from med. L. vocabularius, from L. vocabulum (see vocable).