wood screw

from The Century Dictionary.

• noun A screw specially made for use in fastening together parts of wooden structures or structures of wood and metal.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A screw designed for a wood or a similar material, with a point, a relatively coarse thread, a thick shank, and, usually, an unthreaded portion of the shank at the head end.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a metal screw that tapers to a point so that it can be driven into wood with a screwdriver