cas·sette (kə-sĕt, kă-)
1. A small flat case containing two reels and a length of magnetic tape that winds between them, often used in audio and video recorders and players and as a medium for storing data in digital form.
2. A lightproof cartridge containing photographic film or plates, used in specially designed cameras.
3. A cartridge for holding and winding typewriter or printer ribbon while in the machine.
[French, small box, from Old French, diminutive of Norman French casse, case; see CASE2.]
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.