Noun
a pointed tool for writing or drawing or engraving; "he drew the design on the stencil with a steel stylus"

Noun
a sharp pointed device attached to the cartridge of a record player

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

n.
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 metal or diamond.

n.
The needle-like device used to cut the grooves which record the sound on the original disc during recording of a phonograph record.

n.
A pen-shaped pointing device used to specify the cursor position on a graphics tablet.

Stylus

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