Definitions for gaskinˈgæs kɪn
Random House Webster's College Dictionary
the part of the hind leg of a horse or other hoofed mammal between the stifle and the hock.
gaskins,Obs. hose or breeches; galligaskins.
Origin of gaskin:
1565–75; perh. shortened form of galligaskins
lower part of a horse's thigh between the hock and the stifle
part of the hind leg of a horse, which is between the stifle and the hock.