Definition
1) In civil and criminal procedure
To set aside or annul a previous judgment or order.
2) In property law
To surrender or leave the premises.
Illustrative caselaw
See, e.g. Sears v. Upton, 130 S.Ct. 3259 (2010) (a judgment) and Thorpe v. Housing Authority of City of Durham, 393 U.S. 268 (1969) (the premises).