1.Definition: (biology) growth in the thickness of a cell wall by the deposit of successive layers of material

Category: General

2.Definition: a grammatical relation between a word and a noun phrase that follows

"`Rudolph the red-nosed reindeer' is an example of apposition"

Category: General

3.Definition: the act of positioning close together (or side by side)

Related Noun(s):collocation, juxtaposition

Category: General