Conterminous \Con*ter"mi*nous\, a. [L. conterminus. Cf. Conterminous.]

Having the same bounds, or limits; bordering upon; contiguous.

This conformed so many of them as were conterminous to the colonies and garrisons, to the Roman laws. --Sir M. Hale.

Source: Webster's Revised Unabridged Dictionary (1913)