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1. A male member of a royal family other than the monarch, especially a son of the monarch.
a. A man who is a ruler of a principality.
b. A hereditary male ruler; a king.
3. A nobleman of varying status or rank.
4. An outstanding man, especially in a particular group or class: a merchant prince.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. the rank of a prince
2. a prince's period of reign
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014