o·dom·e·ter (?-d?m??-t?r)n. An instrument that indicates distance traveled by a vehicle.[French odomètre, from Greek hodometron : hodos, journey + metron, measure; see -meter.]o·dom?e·try n.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.odometer (??d?m?t?; ??-) n (Automotive Engineering) US and Canadian a device that records the number of miles that a bicycle or motor vehicle has travelled. Also called: mileometer [C18 hodometer, from Greek hodos way + -meter] o?dometry nCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014o?dom?e?ter (o??d?m ? t?r) n. an instrument for measuring distance traveled, as by an automobile. [1785?95, Amer.; variant of hodometer