/
ˈsʌrəgət/
n.
a substitute, especially a person deputizing for another in a specific role or office.
▸(in the Christian Church) a bishop's deputy who grants marriage licences.
▸(in the US) a judge in charge of probate, inheritance, and guardianship.
Derivative
Etymology
C17: from L. surrogatus, surrogare ‘elect as a substitute’.