surrogate
Pronunciation: /ˈsʌrəgət/
noun
- a substitute, especially a person deputizing for another in a specific role or office: wives of MPs are looked on as surrogates for their husbands while the latter are at Westminster
- (in the Christian Church) a bishop’s deputy who grants marriage licences.
- (in the US) a judge in charge of probate, inheritance, and guardianship.
Origin:
early 17th century: from Latin surrogatus, past participle of surrogare 'elect as a substitute', from super- 'over' + rogare 'ask'