n. pl. sty·lus·es or sty·li (-lī)
1. A sharp, pointed instrument used for writing, marking, or engraving.
2. Computers A pointed instrument used as an input device on a pressure-sensitive screen.
3. A phonograph needle.
4. A sharp, pointed tool used for cutting the jagged grooves that record sound on a phonograph record.
[Latin, alteration (influenced by Greek stūlos, pillar) of stilus.]
(click for a larger image)stylus
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.