The Collaborative International Dictionary of English v.0.48:

Hug \Hug\, v. i. [imp. & p. p. Hugged; p. pr. & vb. n.
   Hugging.] [Prob. of Scand. origin; cf. Dan. sidde paa huk
   to squat, Sw. huka sig to squat, Icel. h?ka. Cf. Huckster.]
   1. To cower; to crouch; to curl up. [Obs.] --Palsgrave.
      [1913 Webster]

   2. To crowd together; to cuddle. [Obs.] --Shak.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Hug \Hug\, v. t.
   1. To press closely within the arms; to clasp to the bosom;
      to embrace. "And huggen me in his arms." --Shak.
      [1913 Webster]

   2. To hold fast; to cling to; to cherish.
      [1913 Webster]

            We hug deformities if they bear our names.
                                                  --Glanvill.
      [1913 Webster]

   3. (Naut.) To keep close to; as, to hug the land; to hug the
      wind.
      [1913 Webster]

   To hug one's self, to congratulate one's self; to chuckle.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Hug \Hug\, n.
   A close embrace or clasping with the arms, as in affection or
   in wrestling. --Fuller.
   [1913 Webster]

WordNet (r) 3.0 (2006):

hug
    n 1: a tight or amorous embrace; "come here and give me a big
         hug" [syn: hug, clinch, squeeze]
    v 1: squeeze (someone) tightly in your arms, usually with
         fondness; "Hug me, please"; "They embraced"; "He hugged her
         close to him" [syn: embrace, hug, bosom, squeeze]
    2: fit closely or tightly; "The dress hugged her hips"