Also found in: Thesaurus, Medical, Encyclopedia.
1. Having two faces, fronts, or façades.
2. Having two opposing surfaces that are alike.
3. Archaeology Flaked in such a way as to produce a cutting edge that is sharp on both sides. Used of a stone tool.
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.
1. having two faces or surfaces
2. (Botany) botany (of leaves, etc) having upper and lower surfaces differing from each other
3. (Archaeology) archaeol (of flints) flaked by percussion from two sides along the chopping edge
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. (of a stone tool) having two opposing surfaces formed by flaking so as to meet in a sharp edge.
2. having two faces or fronts.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.