lair

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The den or dwelling of a wild animal.
• noun A den or hideaway.
• noun Obsolete A resting place; a couch.

from The Century Dictionary.

• noun A Scotch form of lore.
• noun A place in which to lie or rest; a bed; a couch: now used only of, or with figurative reference to, the den or resting-place of a wild beast.
• noun A litter, as of rabbits; a stock.
• noun An open pasture; a field.
• noun Aportion of a burying-ground affording space sufficient for one or more graves; a burial-plot.
• To sink when wading in snow, mud, or quagmire.
• noun Clay; earth.
• noun Mire; a bog; a quagmire.
• noun Soil; land; ground: in this sense probably confused with lair, 3.
• To put or have put in a lair or den.
• To shelter; hold as in a lair.
• To lie (on); rest inactively.
• To enter a lair; lie down (in); lurk.

from the GNU version of the Collaborative International Dictionary of English.

• noun A place in which to lie or rest; especially, the bed or couch of a wild beast.
• noun Scot. A burying place.
• noun obsolete A pasture; sometimes, food.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A place inhabited by a wild animal, often a cave or a hole in the ground.
• noun figuratively A place inhabited by a criminal or criminals, a superhero or a supervillain.
• verb transitive, Scotland To mire.
• verb intransitive, Scotland To become mired.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the habitation of wild animals