アレート

noun

arête; knife ridge

A mountaineering and geography term for a sharp, narrow ridge formed by glacial erosion. Used in climbing contexts.

from French

• 登と山ざん者しゃはアレートを慎しん重ちょうに進すすんだ。

  The climbers carefully advanced along the arête.

• この山やまのアレートは非ひ常じょうに鋭するどく、経けい験けん者しゃ向むけだ。

  The arête on this mountain is very sharp and is for experienced climbers.