con·​ter·​mi·​nous | \kən-ˈtər-mə-nəs, kän-\

Definition of conterminous 

1 : having a common boundary conterminous countries

3 : enclosed within one common boundary the 48 conterminous states

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Other Words from conterminous

conterminously adverb

Examples of conterminous in a Sentence

for two nations that are conterminous from the Atlantic to the Pacific, the U.S. and Canada have had remarkably little strife the county and the school district are conterminous

First Known Use of conterminous

1631, in the meaning defined at sense 1

History and Etymology for conterminous

Latin conterminus, from com- + terminus boundary — more at term entry 1

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The first known use of conterminous was in 1631

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