frontier

IPA(Pronunciation)

/ˈfɹʌntɪə/

Noun

obsolete

The part of a country which borders or faces another country or unsettled region. / The most advanced or recent version of something; leading edge. / (obsolete) An outwork of a fortification.

Japanese Meaning

国境地帯：国が他国または未開拓地域と接する部分 / 最先端・最新の部分 / （古語）要塞の前哨基地

What is this buttons?

They built a new outpost along the frontier to monitor crossings and support settlers.

Google Translation / DeepL Translation

彼らは通行を監視し入植者を支援するために国境沿いに新しい前哨基地を築いた。

Details

Sense（1）

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

From time to time the coaches of the Lötschberg Railway itself, which in comfort and décor can rank with the finest in Europe today, travel far from the frontiers of Switzerland on through workings such as these.

Google Translation / DeepL Translation