アイスハーケン

noun

ice piton; ice screw

A piece of climbing equipment used to anchor into ice. 'Ice screw' is the more common modern term.

from German Eishaken

• アイスクライミングでは、アイスハーケンを氷こおりにねじ込こんで支し点てんにする。

  In ice climbing, you screw an ice screw into the ice to create an anchor point.