ju·do (jo?o?d?)n. A sport and method of physical training similar to wrestling, developed in Japan in the late 1800s and using principles of balance and leverage adapted from jujitsu.[Japanese j?d? : j?, soft (from Middle Chinese riw, also the source of Mandarin róu) + d?, way; see aikido.]ju?do·ist 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.judo (?d?u?d??) n (Judo & Karate) a. the modern sport derived from jujitsu, in which the object is to throw, hold to the ground, or otherwise force an opponent to submit, using the minimum of physical effortb. (as modifier): a judo throw. [Japanese, from j? gentleness + d? way] ?judoist nCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014ju?do (?d?u do?) n. a martial art based on jujitsu but differing from it in banning dangerous throws and blows and stressing the athletic or sport element. [1885?90;