den
//dɛn//
Noun
denSingular
densPlural
1
A wild animal's lair or habitation, typically a cave or hollow.
The fox returned to its den in the hillside.
2
A small, comfortable room in a house used for relaxation or private activities.
He likes to read in his den after dinner.
3
A secret place where people meet, especially for illegal or immoral activities.
The police raided a gambling den in the city center.