den

den
noun
  1. a wild mammal's lair or habitation
    兽穴,兽窝
    ■(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
    ■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。
    ■(chiefly US)a small subdivision of a Cub Scout pack
    (主美)(幼年童子军)小组,小队
(denned, denning)
  1. [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。
语源
  1. Old English denn, of Germanic origin; related to German Tenne 'threshing floor', also to dene
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