Source : Webster's Revised Unabridged Dictionary (1913)

Juxtaposition \Jux`ta*po*si"tion\, n. [L. juxta near + positio
   position: cf. F. juxtaposition. See {Just}, v. i., and
   {Position}.]
   A placing or being placed in nearness or contiguity, or side
   by side; as, a juxtaposition of words.

         Parts that are united by a a mere juxtaposition.
                                                  --Glanvill.

         Juxtaposition is a very unsafe criterion of continuity.
                                                  --Hare.

Source : WordNet®

juxtaposition
     n 1: the act of positioning close together (or side by side); "it
          is the result of the juxtaposition of contrasting
          colors" [syn: {apposition}, {collocation}]
     2: a side-by-side position