frontier

language: fr

definitions

  1. noun
    a border region between two countries or areas; the edge of known territory
    fr: frontière; lisière
  2. noun
    the state of being at the edge of knowledge or experience; pioneering
    fr: pionnier; lisière

examples

  1. the American frontier

    la frontière américaine

  2. on the frontier of science

    à la frontière scientifique