International Childbirth Education Association
noun 1. a large, hooklike device for setting in ice to anchor a vessel or to provide a hold for a hawser in warping it along.
noun 1. a structure built in a river upstream from a bridge pier or the like for protection against drifting ice.
noun 1. a mountaineering tool combining an adzlike blade and a pick on the head of a long wooden handle, with a spike on the end, used for cutting into ice and for support on icy surfaces.
- Ice axe
noun 1. 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