Crossword Genius

Remark about a moth spreading out (3,2,4)

Ross

I believe the answer is:

not at home

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'out' is the definition.
(I've seen this in another clue)

I can't explain the remainder of the clue.

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(Other definitions for not at home that I've seen before include "Ignoring visitors" , "barking at the moon" .)

I've seen this clue in The Times and The Sunday Times.
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