lair

1 a place where a person goes to hide or to avoid others the detectives tracked the thieves to their lair and made immediate arrests Synonyms concealment, covert, den, hermitage, hideaway, hidey-hole (or hidy-hole), hideout, nestRelated Words blind, cover, nook, recess; hangout, harbor, harborage, haunt, haven, redoubt, refuge, retreat, shelter

2 the shelter or resting place of a wild animal we found an abandoned fox's lair in the woods behind the barn Synonyms burrow, hole, house, den, lodgeRelated Words nest; territory

3 British dialect  a place set aside for sleeping a homeless man whose usual lair was a bench in Hyde Park Synonyms bunk, doss [chiefly British], hay [slang], kip, bed [British dialect], pad, rack, sackRelated Words bedstead, futon, mattress, pallet; bunk bed, cot, couch, daybed, feather bed, four-poster, hammock, Murphy bed, shakedown, sleigh bed, sofa, sofa bed, studio couch, trundle bed, water bed; bassinet, carry-cot [British], cradle, crib