—n. 1. a person appointed to act for another; deputy.
2. (in some states) a judicial officer having jurisdiction over the probate of wills, the administration of estates, etc.
3. the deputy of an ecclesiastical judge, esp. of a bishop or a bishop's chancellor.
4. a substitute.
5. a surrogate mother.
—adj. 1. regarded or acting as a surrogate: a surrogate father. 2. involving or indicating the use of a surrogate mother to conceive or carry an embryo: surrogate parenting.
—v.t. 1. to put into the place of another as a successor, substitute, or deputy; substitute for another.
2. to subrogate.