Definition of "calk"

calk¹

noun
plural calks
1. A pointed projection on a horseshoe to prevent its slipping.
2. A spike on the sole of a boot to prevent slipping, particularly used in logging
verb
third-person singular simple present calks, present participle calking, simple past and past participle calked
1. (possibly dated) Alternative spelling of caulk
  Quotations
  When a joint was calked, the bell piece was then separated,
  1915 April 1, Gas Age, volume 35, page 328
2. To make an indentation in the edge of a metal plate, as along a seam in a steam boiler or an iron ship, to force the edge of the upper plate hard against the lower and so fill the crevice.

calk²

/kælk/

verb
third-person singular simple present calks, present participle calking, simple past and past participle calked
1. To copy (a drawing) by rubbing the back of it with red or black chalk, and then passing a blunt stylus or needle over the lines, so as to leave a tracing on the paper or other thing against which it is laid or held.