Snuggled up (7)
I believe the answer is:
nestled
'snuggled up' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for nestled that I've seen before include "Lay snugly" , "Huddled together" , "Cuddled or settled into" , "Curled up" , "Snuggled" .)