Noun: climbing iron
- A spiked steel frame strapped to the boot to help in climbing trees, or poles
"The lineman used climbing irons to ascend the telephone pole safely"
- An iron spike attached to the shoe to prevent slipping on ice when walking or climbing
"The mountaineers attached climbing irons to their boots before scaling the icy slope";
- crampon, crampoon, climber
Derived forms: climbing irons