Scyth·o-Dra·vid·i·an (s?th??-dr?-v?d??-?n, s?th?-)adj. Of or relating to an ethnic group of northwest India having mixed Iranian and Dravidian characteristics.[Scyth(ian) + Dravidian.]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.