Myn·heer also Men·eer (mə-nîr)
a. Used as a courtesy title before the name of a man in a Dutch-speaking area.
b. Used as a form of polite address for a man in a Dutch-speaking area.
2. mynheer also meneer Informal A Dutchman.
[Dutch mijnheer : mijn, my (from Middle Dutch; see me-1 in the Appendix of Indo-European roots) + heer, lord (from Middle Dutch here).]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.