1.Grammara. A construction in which a noun or noun phrase is placed with another as an explanatory equivalent, both having the same syntactic relation to the other elements in the sentence; for example, Copley and the painter in The painter Copley was born in Boston.b. The relationship between such nouns or noun phrases. 2. A placing side by side or next to each other. 3.Biology The growth of successive layers of a cell wall.
ETYMOLOGY:
Middle English apposicioun, from Latin appositi, appositin-, from appositus, past participle of appnere, to put near. See apposite.