Noun
One who, or that which, pricks; a pointed instrument; a sharp point; a prickle.
One who spurs forward; a light horseman.
A priming wire; a priming needle, -- used in blasting and gunnery.
A small marline spike having generally a wooden handle, -- used in sailmaking.
Source: Webster's dictionaryA four-inch brass pin was used to insert into the muscles and find “the Devils mark” a mark supposedly insensible to any pain, all the Pricker had to do was keep stabbing until the victim could take no more…a confession would end the suffering. Source: Internet