From Longman Dictionary of Contemporary EnglishRelated topics: Animals, Householddenden /den/ noun [countable]1HBAthe home of some animals, for example lions or foxes2a place where secret or illegal activities take place
corrupt gambling dens
a den of thieves3SSCSECRETan enclosed and secret place where children play4especially American EnglishDH a room in a house where people relax, watch television etc5DH British English old-fashioned a small room in a house where people can work, read etc without being interrupted
Father retreated to his den.6 →den of iniquityExamples from the Corpusden• Joyce explained to Paul in a very loudvoice that her den was this way.• The family moved on past their old den, over the bank and out of sight.• an opiumden• Fifteen men stood silent, with their heads bowed, moments before entering the lion's den.• She was shaking with the cold, but the fire in the den had been irritating and overbearing.• They hoped for a home theater and a showcasekitchen blending seamlessly into their den.• Skunksroll out of their dens in February or March and embark on a long prowl.OrigindenOld Englishdenn