Involving more than two nations or parties: multilateral trade agreements. (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 "multilateral" in a sentence
"Annan used the word multilateral nine times before mentioning Iraq."
"Pacific, didn't pay enough attention to the United Nations and the other what we call multilateral forums where we all get together as nations."
"For us, coming down to Seattle, we came down with a slogan of fighting the Global Free Logging Agreement, which is what we call the multilateral impediment on investments that was a key component of the WTO."