ru·ble also rou·ble (ro?o?b?l)n. See Table at currency.[Russian rubl’, from Old Russian rubl?, cut, piece (probably originally a piece cut from a silver bar), from rubiti, to chop, hew; see reup- in Indo-European roots.]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.ruble (?ru?b?l) n (Currencies) a variant spelling of roubleCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014ru?ble or rou?ble (?ru b?l) n. the basic monetary unit of Russia, the Soviet Union, and its successor states. [1545?55;