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}.] 1. A clutch formed of hooked pieces of iron, like double calipers, for raising stones, lumber, blocks of ice, etc. [1913 Webster] 2. Iron instruments with sharp points, worn on the shoes to assist in gaining or keeping a foothold. [1913 Webster]