1
- a wild mammal's lair or habitation兽穴, 兽窝。
1.1
- informal a room or hideout where a person can pursue an activity in private〈非正式〉藏身处, 蜗居地, 私下活动场所。
1.2
- a place where people meet in secret, typically to engage in some illicit activity（尤指不法分子聚集的）窝点, 匪巢, 贼窝：
an opium den
鸦片窟
a den of iniquity.
罪恶之窝。
1.3
- chiefly US a small subdivision of a Cub Scout pack〈主美〉（幼年童子军）小组, 小队。
(denned, denning)no obj.
- (of a wild animal) live in or retreat to a den（野兽）生活在隐蔽处, 穴居：
the cubs denned in the late autumn.
幼仔深秋时节在洞穴中居住。
词源
Old English denn, of Germanic origin; related to German Tenne 'threshing floor'， also to DENE1 .