1. a discovery imagined to be important but proving worthless
2. a disordered situation
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


1. a discovery that proves to be a delusion or a hoax.
2. a very confused or disordered place or situation.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


nWindei nt, → Reinfall m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in classic literature ?
as a matter of fact, turned out to be rather a mare's-nest. Now, come, since you are here, finish everything you have to say to me.
"We shall work the case out independently, and leave this fellow Jones to exult over any mare's-nest which he may choose to construct.
"Hugh, dear," she sighed, patting his hand, "you do so much better looking after your hospitals and your wounded than unearthing mare's-nests like this.