(n) :
a substitute (usually of a person, position or role); a person or animal that acts as a substitute for the social or pastoral role of another, such as a surrogate mother
(adj) :
of, concerning, relating to or acting as a substitute
(v) :
replace or substitute something with something else; appoint a successor
(n) :
a substitute (usually of a person, position or role); a person or animal that acts as a substitute for the social or pastoral role of another, such as a surrogate mother
(adj) :
of, concerning, relating to or acting as a substitute
(v) :
replace or substitute something with something else; appoint a successor