| lag screw |
a heavy wood screw with a hexagonal or square bolt head that is turned by a wrench. |
| micrometer screw |
a very finely threaded screw that is used in micrometers to give extremely fine measurements, esp. of thickness. |
| screw bean |
a mesquite tree of the southwestern United States that bears spirally twisted pods. [2 definitions] |
| screw eye |
a screw with a loop or eyelet for a head. |
| screw hook |
a screw with an elongated head in the shape of a hook. |
| screw propeller |
two or more blades mounted on a hub so that, when rotated, they push air or water backward to give an aircraft or ship forward thrust; propeller. |
| screw thread |
the continuous helical ridge or groove on the outer surface of a screw or the inner surface of a nut. |
| screw up |
(slang) to do (something) very badly; make a mess of; botch. |
| screwup |
(slang) a bad mistake. [2 definitions] |
| wood screw |
a sharply pointed screw designed to be used in wood. |