a. An occupation or career: "One of the highest compliments a child can pay a parent is to choose his or her profession" (Joan Nathan).
b. An occupation, such as law, medicine, or engineering, that requires considerable training and specialized study.
c. The body of qualified persons in an occupation or field: members of the teaching profession.
2. An act or instance of professing; a declaration.
3. An avowal of faith or belief.
4. A faith or belief: believers of various professions.
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.