"crampons" in the noun sense
1. crampon, crampoon
a hinged pair of curved iron bars used to raise heavy objects
2. crampon, crampoon, climbing iron, climber
an iron spike attached to the shoe to prevent slipping on ice when walking or climbing
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License