from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One that clamps, especially a spiked plate attached to the sole of a shoe to prevent slipping on ice.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. One who, or that which, clamps.
- n. An attachment with sharp metal prongs, attached to a boot or shoe to enable the wearer to walk securely upon ice.
- n. A circuit that restricts the amplitude of a waveform.
from the GNU version of the Collaborative International Dictionary of English
- n. An instrument of iron, with sharp prongs, attached to a boot or shoe to enable the wearer to walk securely upon ice; a creeper.
from The Century Dictionary and Cyclopedia
- n. A contrivance consisting of a frame of iron having sharp prongs on the lower part, fastened to the sole of the shoe or boot, to prevent slipping on the ice. Also called creeper, and in the United States calk.
clamp + -er (Wiktionary)