1. the office, functions, or term of a triumvir
2. government by three persons or by a coalition of three parties
4. any group or set of three
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.
Word origin of 'triumvirate'L triumviratus