Jol·li·etalso Jo·li·et (jō′lē-ĕt′, jō′lē-ĕt′, zhô-lyā′), Louis 1645-1700.
French-Canadian explorer of the upper Mississippi Valley who with Jacques Marquette sighted the Mississippi River on June 17, 1673, and descended it to the mouth of the Arkansas River.
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.