[1] : The Collaborative International Dictionary of English v.0.48

calkin \calk"in\, n.
   a calk on a shoe. see calk, n., 1.
   1913 webster
see also:
calk 

[2] : The Collaborative International Dictionary of English v.0.48

calk \calk\ kaddk, n. cf. as. calc shoe, hoof, l. calx,
   calcis, heel, calcar, spur.
   1. 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.
      1913 webster

   2. an instrument with sharp points, worn on the sole of a
      shoe or boot, to prevent slipping.
      1913 webster

   3. same as caulk2, n..
      pjc
see also:
calker calkin caulk2 

[3] : WordNet (r) 2.0

calkin
     n : a metal cleat on the bottom front of a horseshoe to prevent
         slipping syn: calk
see also:
calk 

Calkin >> C Words
Calkin, definition of term: Calkin
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