A place used as an animal's dwelling
A hiding place
The home of an animal
A private or secluded room
They left Senor Medena in his den and headed back to their room.
She walked into the den twice and stared at the computer.
Bosscha, Het Leven van Willem den Tweede, Koning der Nederlanden, 1793-1849 (Amsterdam, 1852); P. Blok, Geschiedenis der Nederlandsche Volk (Leiden, 1908).
The den was crowded with relatives – Morino's and Senor Medena's.
Senor Medena wants us all down in the den in five minutes.