tor·men·tor also tor·ment·er (tôr-mĕntər, tôrmĕn′-)
1. One that torments.
2. A hanging at each side of a stage directly behind the proscenium that serves to block the wing area and sidelights from the audience.
3. A sound-absorbent screen used on a movie set, used to prevent echo.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.