frontier

About 15.41 uses per million words.

Meaning

1. noun The part of a country which borders or faces another country or unsettled region.

   the frontier of civilization

2. noun The most advanced or recent version of something; the leading edge.

   the frontier of solid state electronics

3. noun An outwork of a fortification.
4. verb To live as pioneers on frontier territory.
5. verb To place on the frontier.

Similar words

rural border bordering boundary edge cross-border transborder front-line frontline avant-garde

Often followed by

of and in was to between province with is

Word family

frontiers