- (n.) A small cavern or hollow place in the side of a hill or among rocks; especially, a cave used by a wild beast for shelter or concealment; as, a lion's den; a den of robbers.
- (n.) A narrow glen; a ravine; a dell.
- (v.i.) To live in or as in, a den.
- (n.) Any snug or close retreat where one goes to be alone.
- (n.) A squalid place of resort; a wretched dwelling place; a haunt; as, a den of vice.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). den. Retrieved September 22, 2026, from http://smartdefine.org/den/definitions/1995982 |
| Chicago | Webster's. 2011. "den" http://smartdefine.org/den/definitions/1995982 (accessed September 22, 2026). |
| Harvard | Webster's 2011, den, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/den/definitions/1995982>. |
| MLA | Webster's. "den" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/den/definitions/1995982> |