'apposition' definitions:

Definition of 'apposition'

(from WordNet)
noun
A grammatical relation between a word and a noun phrase that follows; "`Rudolph the red-nosed reindeer' is an example of apposition"
noun
(biology) growth in the thickness of a cell wall by the deposit of successive layers of material
noun
The act of positioning close together (or side by side); "it is the result of the juxtaposition of contrasting colors" [syn: juxtaposition, apposition, collocation]