Consisting of or divided into four parts.(adjective)
Involving four participants.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "quadripartite" in a sentence
"The bays of vaulting were generally either squares or parallelograms, though sometimes not rectangular in shape, and each was divided into four concave vaulting cells by diagonal and intersecting groins, thus forming what is called a quadripartite vault."
"\ "\" The normal structure of a party is quadripartite, that is, based on the number four, since the Rule has a pyramid form."
"Certain multinational groupings, such as the "quadripartite" of Australia, Canada, the United Kingdom, and the United States, have a very high level of trust."