[den] 
noun, verb, denned, den⋅ning.| 1. | the lair or shelter of a wild animal, esp. a predatory mammal. |
| 2. | a room, often secluded, in a house or apartment, designed to provide a quiet, comfortable, and informal atmosphere for conversation, reading, writing, etc. |
| 3. | a cave used as a place of shelter or concealment. |
| 4. | a squalid or vile abode or place: dens of misery. |
| 5. | one of the units of a cub scout pack, analogous to a patrol in the Boy Scouts. |
| 6. | to drive or pursue (an animal) into its den. |
| 7. | to kill (an animal) inside its den. |
| 8. | to live in or as if in a den. |
| den (děn) n.
To inhabit or hide in a den. [Middle English, from Old English denn.] |