(Canada, US, slang) Someone who often fails to do his or her work; someone known to goof off.

Able to be removed by unscrewing.

plural of capstan screw

plural of Phillips screw

A screw with a Phillips head.

A steel pile having a wide helical blade attached at the foot; it is twisted into soft ground in order to provide a large bearing area

(engineering) A screw cut on a solid whose sides are arcs of the periphery of a wheel into whose teeth the screw is intended to work.

(nautical) A form of jack screw for lifting large bodies and assisting in launching. / A long screw formerly used to fasten a bedpost to one of the adjacent side pieces.

plural of bed screw

plural of Archimedes' screw