a metal cleat on the bottom front of a horseshoe to prevent slipping
source: WordNet 3.0
A sharp-pointed piece of iron or steel projecting downward on the shoe of a horse or an ox, to prevent the animal from slipping; -- called also calker, calkin.
source: Webster 1913
verb
provide with calks
Calk horse shoes.
source: WordNet 3.0
seal with caulking
Caulk the window.
source: WordNet 3.0
injure with a calk
source: WordNet 3.0
To drive tarred oakum into the seams between the planks of (a ship, boat, etc.), to prevent leaking. The calking is completed by smearing the seams with melted pitch.
source: Webster 1913
To copy, as a drawing, by rubbing the back of it with red or black chalk, and then passing a blunt style or needle over the lines, so as to leave a tracing on the paper or other thing against which it is laid or held.
source: Webster 1913
To furnish with calks, to prevent slipping on ice; as, to calk the shoes of a horse or an ox.