de Soto Hernando

de So·to

 (dĭ sō′tō, dĕ), Hernando or Fernando 1496?-1542.
Spanish explorer who landed in Florida in 1539 with 600 men and set out to search for the fabled riches of the north. For the next three years he explored much of southern North America, discovering and crossing the Mississippi River in 1541.
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.