-phagesuff. One that eats or ingests: macrophage.[From Greek -phagos, eating, from phagein, to eat; see bhag- 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.-phage n combining form indicating something that eats or consumes something specified: bacteriophage. [from Greek -phagos; see phago-] -phagous adj combining formCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014phage (fe?d?) n. bacteriophage. [by shortening] -phage a combining form meaning ?a thing that devours,? used esp. in the names of viruses and phagocytes: bacteriophage; macrophage. [n. use of Greek -phagos -phagous] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.