n.
Variant: or caulk
Pronunciation: ' ko ̇ k
Function: noun
Etymology: probably alteration of calkin, from Middle English kakun, from Middle Dutch or Middle French dialect; Middle Dutch calcoen horse's hoof, from Middle French dialect (Walloon) calcain heel, from Latin calcaneum, from calc-, calx heel
Date: 1587
: a cleat on the shoe of a horse to prevent slipping also : a similar device worn on the sole of a shoe