Mar·i·us(mâr′ē-əs, măr′-), Gaius 157?-86 bc.
Roman general and politician. Elected consul seven times, he reformed the military and lost a disastrous civil war (88) to his political rival Sulla.
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.