wellhole
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wellhole
(ˈwɛlˌhəʊl)n
(Architecture) an opening through a floor for light; a staircase or a chimneystack
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
well•hole
(ˈwɛlˌhoʊl)n.
the shaft of a well.
[1670–80]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.