Pricker

Part of speech: noun (n.)

1. One who, or that which, pricks; a pointed instrument; a sharp point; a prickle.

2. One who spurs forward; a light horseman. The prickers, who rode foremost, . . . halted. Sir W. Scott.

3. A priming wire; a priming needle, -- used in blasting and gunnery. Knight.

4. A small marline spike having generally a wooden handle, -- used in sailmaking. R. H. Dana, Ir.