conterminant

From con- +‎ terminant.

conterminant (not comparable)

1. Having the same limits; ending at the same time; conterminous.
   • 1823, Elia [pseudonym; Charles Lamb], Elia. Essays which have Appeared under that Signature in The London Magazine, London: […] [Thomas Davison] for Taylor and Hessey, […], →OCLC:

     if haply your dates of life were conterminant

“conterminant”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.