[1] : The Collaborative International Dictionary of English v.0.48

contiguity \con`tigu"ity\, n. cf. f. contiguit'e, ll.
   contiguitas.
   the state of being contiguous; intimate association;
   nearness; proximity.
   1913 webster

         the convicinity and contiguity of the two parishes.
                                                  --t. warton.
   1913 webster

[2] : WordNet (r) 2.0

contiguity
     n : the attribute of being so near as to be touching syn: adjacency,
          contiguousness
see also:
adjacency contiguousness 

[3] : Moby Thesaurus II by Grady Ward, 1.0

58 moby thesaurus words for "contiguity":
   abutment, abuttal, accord, addition, adjacency, adjoiningness,
   adjunct, affairs, affiliation, affinity, alliance, apposition,
   approximation, appulse, assemblage, association, bond, closeness,
   combination, conjugation, conjunction, connectedness, connection,
   conterminousness, contiguousness, contrariety, coterminousness,
   dealings, deduction, disjunction, filiation, homology, immediacy,
   intercourse, intimacy, junction, juxtaposition, liaison, link,
   linkage, linking, mutual attraction, nearness, perigee, perihelion,
   propinquity, proximity, rapport, relatedness, relation, relations,
   relationship, similarity, sympathy, syzygy, tie, tie-in, union

Contiguity >> C Words
Contiguity, definition of term: Contiguity
contiguity_pag1.html