1. a grammatical relation between a word and a noun phrase that follows

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

Definition categories: link, limiting, modification, qualifying

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

Definition categories: process, development, growing, growth, maturation, ontogenesis, ontogeny

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

Similar word(s): collocation, juxtaposition

Definition categories: act, emplacement, locating, location, placement, position, positioning