The definition of a den is a hidden place where wild animals sleep or a small room in a house.
(noun)See den in Webster's New World College Dictionary
noun
Origin: ME < OE denn, lair, pasture, akin to MLowG, place where grass is trodden down, lair < IE base *dhen-, level place
See den in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English
Origin: , from Old English denn
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