Definition of limitrophe in US English:

limitrophe

noun

  • A borderland; an immediately neighbouring country.

adjective

  • Situated on the frontier; bordering on, adjacent to (another country).

Origin

Late 16th century; earliest use found in Anthony Munday (d. 1633), playwright and translator. From (i) Middle French, French limitrophe situated on or near the frontier, (of a country) bordering on, adjacent to (another country).

Pronunciation

limitrophe

/ˈlɪmɪtrəʊf/