stylus

A sharp, pointed instrument used for writing, marking, or engraving.

A pointed instrument used as an input device on a pressure-sensitive screen.

A phonograph needle.

A sharp, pointed tool used for cutting the jagged grooves that record sound on a phonograph record.

A sponge-spicule of the monaxon uniradiate type, sharp at one end and not at the other. It is regarded as an oxea one of whose rays is suppressed.

In entomology, a style or stylet.

In a phonograph, a pointed part which rests on the diaphragm and is moved by the vibrations induced in the latter by sound-waves. It is used to produce the record of sounds upon the phonographic cylinders, and also to reproduce the sounds thus recorded.

An instrument for writing. See style, n., 1.

That needle-shaped part at the tip of the playing arm of phonograph which sits in the groove of a phonograph record while it is turning, to detect the undulations in the phonograph groove and convert them into vibrations which are transmitted to a system (since 1920 electronic) which converts the signal into sound; also called needle. The stylus is frequently composed of a hard metal or of diamond.

The needle-like device used to cut the grooves which record the sound on the original disc during recording of a phonograph record; it is moved by the vibrations given to the diaphragm by a sound, and produces the indented record.