A straight line in space with which a definite linear
magnitude termed the pitch is associated (cf. 5th Pitch, 10 (b)). It is
used to express the displacement of a rigid body, which may always be
made to consist of a rotation about an axis combined with a translation
parallel to that axis.

An amphipod crustacean; as, the skeleton screw (Caprella).
See Sand screw, under Sand.

An extortioner; a sharp bargainer; a skinflint; a niggard.

An unsound or worn-out horse, useful as a hack, and commonly
of good appearance.

An instructor who examines with great or unnecessary
severity; also, a searching or strict examination of a student by an
instructor.

A steam vesel propelled by a screw instead of wheels; a
screw steamer; a propeller.

Specifically, a kind of nail with a spiral thread and a head
with a nick to receive the end of the screw-driver. Screws are much
used to hold together pieces of wood or to fasten something; – called
also wood screws, and screw nails. See also Screw bolt, below.

i. vida. This screw is loose. (Bu vida gevşemiş.)

Anything shaped or acting like a screw; esp., a form of
wheel for propelling steam vessels. It is placed at the stern, and
furnished with blades having helicoidal surfaces to act against the
water in the manner of a screw. See Screw propeller, below.

A small packet of tobacco.