The Collaborative International Dictionary
Crampoons
Crampoons \Cram*poons"\ (kr[a^]m*p[=oo]nz"), n. pl. [F. crampon, fr. OHG. chramph crooked; akin to G. krampf cramp. See Cramp,n., and cf. Crampon.]
A clutch formed of hooked pieces of iron, like double calipers, for raising stones, lumber, blocks of ice, etc.
Iron instruments with sharp points, worn on the shoes to assist in gaining or keeping a foothold.
Wiktionary
crampoons
n. (plural of crampoon English)