Definition of pigsticker:
(n) :
A large knife, used as a weapon.
(n) :
A spike bayonet
(n) :
A pork butcher.
(n) :
(UK, India) A hunter of wild boar.
(n) :
(UK, India) A horse well-suited to hunt wild boar.
(n) :
(US, dialect) A sled with a pointed front.