ETYM Latin surrogatus, p. p. of surrogare, subrogare, to put in another's place, to substitute; sub under + rogare to ask, ask for a vote, propose a law. Related to Rogation, Subrogate.
Someone who takes the place of another person; SYN. alternate, replacement.
Substitute; deputy, especially for bishop.
ETYM See Surrogate (n.).
To put in the place of another; to substitute.