Also found in: Idioms.
Die·sel(dē′zəl), Rudolf 1858-1913.
German engineer who developed (1892) the engine that now bears his name.
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.