The definition of appositive refers to two nouns or noun phrases that are together in a sentence and each one gives more information about the other.
In the sentence “I am waiting for my friend Beth” the phrase “my friend” is an appositive phrase to “Beth” and “Beth” is an appositive noun to “my friend”.
of or in apposition
a word, phrase, or clause in apposition
Of, relating to, or being in apposition.
A word or phrase that is in apposition.
- of or being in apposition.