den
[dɛn]
n. 兽穴, 洞穴

[] 匪巢, 贼窝

1. The lion lay asleep in its den.
   狮躺洞里觉。
2. The police tracked the thieves to their den.
   警察跟踪偷，老窝。
3. The bears den up together during the winter.
   冬熊起洞穴里冬眠。

den
denned, denning
[ noun ]

1. the habitation of wild animals

<noun.location>

2. a hiding place; usually a remote place used by outlaws

<noun.location>

3. a unit of 8 to 10 cub scouts

<noun.group>

4. a room that is comfortable and secluded

<noun.artifact>

Den \Den\ (d[e^]n), n. [AS. denn; perh. akin to G. tenne floor,
thrashing floor, and to AS. denu valley.]
1. A small cavern or hollow place in the side of a hill, or
among rocks; esp., a cave used by a wild beast for shelter
or concealment; as, a lion's den; a den of robbers.

2. A squalid place of resort; a wretched dwelling place; a
haunt; as, a den of vice. ``Those squalid dens, which are
the reproach of great capitals.'' --Addison.

3. Any snug or close retreat where one goes to be alone.
[Colloq.]

4. [AS. denu.] A narrow glen; a ravine; a dell. [Old Eng. &
Scotch] --Shak.


Den \Den\, v. i.
To live in, or as in, a den.

The sluggish salvages that den below. --G. Fletcher.