[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" Synonyms:juxtaposition, collocation