-rrhagiasuff. Abnormal or excessive flow or discharge: menorrhagia.[Greek -rrhagi?, from rh?gnunai, rhag-, to burst forth.]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.-rrhagia n combining form (in pathology) an abnormal discharge or flow: menorrhagia. [from Greek -rrhagia a bursting forth, from rh?gnunai to burst, break]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014-rrhagia or -rhagia a combining form with the meanings ?rupture,? ?profuse discharge,? ?abnormal flow?: menorrhagia. [