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A short ridge or mound of sand and gravel deposited during the melting of glacial ice.
[Dialectal, a low ridge, from Middle English camb, comb, comb, from Old English; see gembh- 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.
(Physical Geography) an irregular mound or ridge of gravel, sand, etc, deposited by water derived from melting glaciers
[C19: Scottish and northern English variant of comb]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a ridge or mound of stratified drift left by a retreating ice sheet.
[1860–65; special use of Scots, N dial. kame comb (Middle English (dial.) camb, kambe, Old English camb, comb); see comb]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.