(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.

(engineering) A screwlike device invented by Greek mathematician Archimedes, ca. 200 B.C.E., which when twisted inside a cylinder, raises water from a lower level to a higher level, allowing irrigation of fields.

A breech pin.

(idiomatic) To increase the pressure of a situation.

A machine for the manufacture of screws, typically either by carving a groove into a thick nail, or by welding a thread formed of wire to a thin nail.

(engineering) A screw for adjusting the distance between the stones in a grinding mill by raising or lowering the bridgetree.

(US) A fixing that allows screws to be fitted into masonry walls; called a wall plug in UK English.

A small headless screw for fastening soles.

A device, resembling a die, for cutting the thread on a wooden screw.

The fossil stem of an encrinite.