'Coterminous' definitions:

Definition of 'coterminous'

(from WordNet)
adjective
Being of equal extent or scope or duration [syn: coextensive, coterminous, conterminous]

Definition of 'Coterminous'

From: GCIDE
  • Coterminous \Co*ter"mi*nous\ (k?-t?r"m?-n?s), a. [Cf. Conterminous.] Bordering; conterminous; -- followed by with. [1913 Webster]