pricker

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. One, such as a pricking tool, that pierces or pricks.
2. n. A prickle or thorn.

Century Dictionary and Cyclopedia

1. n. That which pricks; a sharp-pointed instrument; a prickle. Specifically— A saddlers' implement, usually a bifurcated tool for marking equidistant holes for stitching
2. n. A small tool, resembling in form and use a fid or marlinespike, with a wooden handle, used by sail-makers
3. n. A piercing implement used in a machine for manufacturing card-foundations.
4. n. A priming-needle of pointed copper wire, used in blasting. It is inserted in the charge of powder centrally with reference to the drilled hole, and the tamping is packed around it. On its withdrawal a hole is left, into which fine powder is poured, and a fuse is then connected with the top of the hole.
5. n. In gunnery, a sharp wire introduced through the touch-hole of a gun to pierce the cartridge, thus opening a communication between the powder in the cartridge and the priming-powder when the gun is primed.
6. n. An implement for extracting primers from spent central-fire cartridges for small-arms, when the cases are to be reloaded.
7. n. A long iron rod with a sharp point, a kind of pointed crowbar, used in some of the English coal-mines for bringing down the coal from overhead, and for some other purposes.
8. n. One who pricks. Specifically — A light horseman.
9. n. One who tested whether women were witches by sticking pins into them; a witch-finder.
10. n. In ichthyology, the basking-shark.

Wiktionary

1. n. One who pricks.
2. n. A tool for pricking.
3. n. A prickle or thorn.
4. n. One who spurs forward; a light horseman.
5. n. A priming wire; a priming needle, used in blasting and gunnery.
6. n. nautical A small marlinespike used in sailmaking.

GNU Webster's 1913

1. n. One who, or that which, pricks; a pointed instrument; a sharp point; a prickle.
2. n. One who spurs forward; a light horseman.
3. n. A priming wire; a priming needle, -- used in blasting and gunnery.
4. n. (Naut.) A small marline spike having generally a wooden handle, -- used in sailmaking.

WordNet 3.0

1. n. a small sharp-pointed tip resembling a spike on a stem or leaf
2. n. an awl for making small holes for brads or small screws