proc·es·sor (prŏsĕs′ər, prōsĕs′-)
1. One that processes, especially an apparatus for preparing, treating, or converting material: a wood pulp processor.
a. A computer.
b. A central processing unit.
c. A program that translates another program or a data file into a form acceptable by the computer being used.
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.