All 4 Uses

moccasin
in
The Call of the Wild
(Edited)

They had eaten a pair of Perrault's moose-hide moccasins, chunks out of the leather traces, and even two feet of lash from the end of Francois's whip.
p. 53.2

moccasins = soft leather shoes traditionally worn by Native Americans
Also, the dog-driver rubbed Buck's feet for half an hour each night after supper, and sacrificed the tops of his own moccasins to make four moccasins for Buck.
p. 56.5 *
...to make four moccasins for Buck.
p. 56.5
This was a great relief, and Buck caused even the weazened face of Perrault to twist itself into a grin one morning, when Francois forgot the moccasins and Buck lay on his back, his four feet waving appealingly in the air, and refused to budge without them.
p. 56.6

Definitions:

(1) (moccasin)
a soft leather shoe traditionally worn by Native Americans.
(2) (meaning too rare to warrant focus)
Less commonly, moccasin appears in water moccasin -- a type of poisonous snake.