After his prepared remarks, the president riffed his way through a question and answer session in the lion's den.
When she got up at two the next afternoon, Jerry Lee was still up, drinking in his den.
Having observed this guy for 40 years, I knew that engaging him in his den—even with my blue American passport—was too risky.
Old English denn "wild animal's lair," from Proto-Germanic *danjan (cf. Middle Low German denne "lowland, wooded vale, den," Old English denu "valley," Old Frisian dene "down," Old High German tenni, German tenne "threshing floor," from PIE *dan- "low ground"). Sense of "small room" is 1771, originally colloquial.
a lair of wild beasts (Ps. 10:9; 104:22; Job 37:8); the hole of a venomous reptile (Isa. 11:8); a recess for secrecy "in dens and caves of the earth" (Heb. 11:38); a resort of thieves (Matt. 21:13; Mark 11:17). Daniel was cast into "the den of lions" (Dan. 6:16, 17). Some recent discoveries among the ruins of Babylon have brought to light the fact that the practice of punishing offenders against the law by throwing them into a den of lions was common.