A wild animal's lair or habitation. noun
The fox retreated to its den after a long day of hunting.
The bear emerged from its den after the long winter hibernation.
A small, comfortable room in a house where people can relax. noun
They gathered in the den to watch the football game.
She spent the afternoon reading in the cozy den.
A place where people engage in secretive or illicit activities. noun
The police raided the gambling den late at night.
The building was known to be a den of iniquity.
A group of Cub Scouts. noun
The den met every Thursday to work on their badges.
He was excited to join the local Cub Scout den.