The Collaborative International Dictionary of English v.0.48:

Cuddle \Cud"dle\ (k[u^]d"d'l), v. i. [imp. & p. p. Cuddled
   (-d'ld); p. pr. & vb. n. Cuddling (-dl[i^]ng).] [Prob. for
   couthle, fr. couth known; cf. OE. ku[thorn][thorn]en to
   cuddle, or cu[eth]lechen to make friends with. SeeCouth,
   Uncouth, Can.]
   To lie close or snug; to crouch; to nestle.
   [1913 Webster]

         She cuddles low beneath the brake;
         Nor would she stay, nor dares she fly.   --Prior.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cuddle \Cud"dle\, v. t.
   To embrace closely; to fondle. --Forby.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cuddle \Cud"dle\, n.
   A close embrace.
   [1913 Webster] cuddlesome

WordNet (r) 3.0 (2006):

cuddle
    n 1: a close and affectionate (and often prolonged) embrace
         [syn: cuddle, nestle, snuggle]
    v 1: move or arrange oneself in a comfortable and cozy position;
         "We cuddled against each other to keep warm"; "The children
         snuggled into their sleeping bags" [syn: cuddle,
         snuggle, nestle, nest, nuzzle, draw close]
    2: hold (a person or thing) close, as for affection, comfort, or
       warmth; "I cuddled the baby"