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See more synonyms for gumbotil on Thesaurus.com
noun Geology.
  1. a sticky clay formed by the thorough weathering of glacial drift, the thickness of the clay furnishing means for comparing relative lengths of interglacial ages.
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Origin of gumbotil

1915–20; gumbo + til, variant of till4
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for gumbotil


  1. a sticky clay formed by the weathering of glacial drift
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Word Origin

C20: from gumbo + til (l) 4
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012