frontier

Meanings

1. 1
   noun

   a wilderness at the edge of a settled area of a country

   the individualism of the frontier in Andrew Jackson's day

2. 2
   noun

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

   the frontier of civilization

3. 3
   noun

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

   Near-synonyms: vanguard, state of the art

4. 4
   noun

   An outwork of a fortification.

   thou hast talk'd. Of sallies and retires, of trenches, tents, Of palisadoes, frontiers, parapets

5. 5
   verb

   To place on the frontier.

   now that it is no more a Border, nor frontiered with Enemies, why should such Privileges be any more continued?

6. 6
   noun

   an undeveloped field of study

7. 7
   noun

   an international boundary or the area (often fortified) immediately inside the boundary

8. 8
   verb

   To live as pioneers on frontier territory.

Etymology

From Middle English frounter, from Old French fronter (whence Modern French frontière), from front.