Tree house (4)

I believe the answer is:

nest

'tree house?' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for nest that I've seen before include "Accommodation for hobby, say" , "Snuggle in like bird" , "Home for a flier" , "Sent to bird's home" , "Ingredient of Chinese soup" .)

I've seen this clue in the LA Times, the King Feature Syndicate, The Globe and Mail and the Universal.

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