1 n. one of a number of sharp spikes set into an iron plate that fits over a shoe or boot, or set in the sole of the boot itself; also, the fitted patten.
See also: creeper spike
2a n. a strong boot the sole of which is studded with steel spikes, or caulks, used by loggers to keep from slipping on wet or sloping logs.
See also: caulked boot
2b n. Figurative use. See quote.