sur·ro·gate 
/ˈsɚrəgət/ noun
plural sur·ro·gates /ˈsɚrəgət/ noun [count] 1 : a person or thing that takes the place or performs the duties of someone or something else
▪ He could not attend the meeting, so he sent his surrogate. ▪ The governor and her surrogates asked the public to support the change. 2 : surrogate mother
▪ They had their baby through a surrogate.
▪ He could not attend the meeting, so he sent his surrogate. ▪ The governor and her surrogates asked the public to support the change.
▪ They had their baby through a surrogate.
— surrogate adjective always used before a noun
▪ She considered them her surrogate family.
▪ She considered them her surrogate family.
