n. pl. Mmes. (mā-däm, -dăm)
1. Used as a courtesy title for a married, widowed, or divorced woman before her own surname or full name: Mrs. Doe; Mrs. Jane Doe. See Usage Note at miss2.
2. Used as a courtesy title for a married or widowed woman before the surname or full name of her husband: Mrs. Doe; Mrs. John Doe.
3. Used in informal titles for a married woman to indicate the epitomizing of an attribute or activity: Mrs. Wonderful; Mrs. Organization.
[Abbreviation of MISTRESS.]
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.