Pronunciation: (mârz'nest"), [key]
1. something imagined to be an extraordinary discovery but proving to be a delusion or a hoax: The announced cure for the disease was merely another mare's-nest.
2. an extremely confused, entangled, or disordered place, situation, etc.: We just moved in, and the place is a mare's-nest.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.