ap·po·si·tion 
/ˌæpəˈzɪʃən/ noun
/ˌæpəˈzɪʃən/ noun [noncount] grammar : an arrangement of words in which a noun or noun phrase is followed by another noun or noun phrase that refers to the same thing
▪ In “my friend the doctor,” the word “doctor” is in apposition to “my friend.”
▪ In “my friend the doctor,” the word “doctor” is in apposition to “my friend.”
