1. (唱机的)唱针
The stylus on a record player is the small needle that picks up the sound signals on the records.

2. (计算机的)手写笔，触笔
A stylus is a device like a pen with which you can input written text or drawing directly into a computer.

1. a pointed tool for writing or drawing or engraving

e.g. he drew the design on the stencil with a steel stylus

Synonym: style

2. a sharp pointed device attached to the cartridge of a record player