apposition

noun8

1. •
   The quality of being side by side, apposed instead of opposed, next to each other.
2. •
   A construction in which one noun or noun phrase is placed with another as an explanatory equivalent, both of them having the same syntactic function in the sentence.

   • The apposition in the title has been read as indicating that ‘Hobson-Jobson’ is equivalent to ‘colloquial Anglo-Indian words and phrases’. — 2014
3. •
   The relationship between such nouns or noun phrases.
4. •
   A placing of two things side by side, or the fitting together of two things.
5. •
   (rhetoric) Appositio, the addition of an element not syntactically required.
6. •
   The growth of successive layers of a cell wall.
7. •
   A public disputation by scholars.
8. •
   (UK) A (now purely ceremonial) speech day at St Paul's School, London.