n.an ax used by mountain climbers for cutting footholds in ice
同义词：ice axice axepiolet
英汉双解大词典
ice axe
1.
N（名词）
a light axe used by mountaineers for cutting footholds in snow or ice, to provide an anchor point, or to control a slide on snow; it has a spiked tip and a head consisting of a pick and an adze 破冰斧