DCHP-1 Online
river boot 
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 (def. 1)
- 1954 Each man got ready a pair of heavy river boots with spikes in the soles . . . and sharpened his peavey.
- 1954 Each man got ready a pair of heavy river boots with spikes in the soles . . . and sharpened his peavey.