'Cismontane' definitions:

Definition of 'cismontane'

(from WordNet)
adjective
On this (the speaker's) side of the mountains; "a contest in Virginia between a cismontane and a tramontane people" [ant: tramontane, transmontane]

Definition of 'Cismontane'

From: GCIDE
  • Cismontane \Cis*mon"tane\, a. [Pref. cis- + L. mons mountain.] On this side of the mountains. See under Ultramontane. [1913 Webster]