Read the dictionary definition of apposition. All definitions for this word.
1. the act of positioning close together (or side by side)
1. it is the result of the juxtaposition of contrasting colors
2. (biology) growth in the thickness of a cell wall by the deposit of successive layers of material
3. a grammatical relation between a word and a noun phrase that follows
1. `Rudolph the red-nosed reindeer' is an example of apposition