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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.
the under or lower side or surface of something
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
un•der•sur•face(ˈʌn dərˌsɜr fɪs)
a bottom surface; underside.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||undersurface - the lower side of anything |
base - a flat bottom on which something is intended to sit; "a tub should sit on its own base"
bilge - where the sides of the vessel curve in to form the bottom
heel - the bottom of a shoe or boot; the back part of a shoe or boot that touches the ground and provides elevation
sole - the underside of footwear or a golf club
side, face - a surface forming part of the outside of an object; "he examined all sides of the crystal"; "dew dripped from the face of the leaf"
underbelly - lower side; "the underbellies of clouds"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.