The Collaborative International Dictionary of English v.0.48:
Vacate \Va"cate\, v. t. [imp. & p. p. Vacated; p. pr. & vb. n.
Vacating.] [L. vacare, vacatum, to be empty. See Vacant.]
1. To make vacant; to leave empty; to cease from filling or
occupying; as, it was resolved by Parliament that James
had vacated the throne of England; the tenant vacated the
2. To annul; to make void; to deprive of force; to make of no
authority or validity; as, to vacate a commission or a
charter; to vacate proceedings in a cause.
That after act vacating the authority of the
The necessity of observing the Jewish Sabbath was
vacated by the apostolical institution of the Lord's
Day. --R. Nelson.
3. To defeat; to put an end to. [R.]
He vacates my revenge. --Dryden.