(informal) Clipping of vacation. / (informal) Clipping of vacuum cleaner. / (informal) Clipping of vaccine.

To vacuum; to clean with a vacuum cleaner.

(electrical) Initialism of volt of alternating current.

Initialism of Velvet Acid Christ.

(obsolete, marketing, science fiction, computing, mid-20th century) Used in the naming of computer systems and computer models, due to the use of vacuum tubes as the functional elements of computers of the time.

plural of vac

Abbreviation of situations vacant: advertisements for job vacancies

(Australia, education, informal) In secondary and tertiary education, a period of non-teaching prior to examinations.

plural of vac bed

(BDSM) A device that produces a vacuum inside a latex envelope, used for sexual enclosure.