The Collaborative International Dictionary of English v.0.48:
Contiguity \Con`ti*gu"i*ty\, 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]WordNet (r) 3.0 (2006):
contiguity n 1: the attribute of being so near as to be touching [syn: adjacency, contiguity, contiguousness]