1. Sir; Mr.: a Spanish title of respect, used with the given name: abbrev. D
⇒ Don Pedro
2. [d-] a Spanish nobleman or gentleman
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.