The Collaborative International Dictionary of English v.0.48:

Snuggle \Snug"gle\, v. t. [imp. & p. p. Snuggled; p. pr. & vb.
   n. Snuggling.] [Freq. of snug.]
   To move one way and the other so as to get a close place; to
   lie close for comfort; to cuddle; to nestle.
   [1913 Webster]

WordNet (r) 3.0 (2006):

snuggled
    adj 1: drawn or pressed close to someone or something for or as
           if for affection or protection; "saw a number of small
           houses nestled against the hillside"; "like a baby
           snuggled in its mother's arms" [syn: nestled,
           snuggled]