hus·sar (h?-zär?, -sär?)n.1. A horseman of the Hungarian light cavalry organized during the 1400s.2. A member of any of similar, ornately uniformed European units of light cavalry.[Hungarian huszár, of Slavic origin; akin to Serbian Church Slavonic husar?, highwayman, raider, and Serbo-Croatian husa, plundering, invasion, trap, both from Proto-Slavic *x?sa, raiding, robbery, band of robbers, of Germanic origin; akin to Gothic hansa and Old English h?s, troop, band, and Middle Low German hanse, hanse.]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.hussar (h??z??) n1. (Military) a. a member of any of various light cavalry regiments in European armies, renowned for their elegant dressb. (pl; cap when part of a name): the Queen’s own Hussars. 2. (Military) a Hungarian horseman of the 15th century[C15: from Hungarian huszár hussar, formerly freebooter, from Old Serbian husar, from Old Italian corsaro corsair]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014hus?sar (h??z?r) n. 1. (originally) one of a body of Hungarian light cavalry formed during the 15th century. 2. a member of a class of similar troops in European armies. [1525?35;