The Collaborative International Dictionary of English v.0.48:

Bask \Bask\ (b[.a]sk), v. i. [imp. & p. p. Basked (b[.a]skt);
   p. pr. & vb. n. Basking.] [OScand. ba[eth]ask to bathe
   one's self, or perh. bakask to bake one's self, sk being
   reflexive. See Bath, n., Bake, v. t.]
   To lie in warmth; to be exposed to genial heat.
   [1913 Webster]

         Basks in the glare, and stems the tepid wave.
                                                  --Goldsmith.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bask \Bask\, v. t.
   To warm by continued exposure to heat; to warm with genial
   heat.
   [1913 Webster]

         Basks at the fire his hairy strength.    --Milton.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bask
    v 1: derive or receive pleasure from; get enjoyment from; take
         pleasure in; "She relished her fame and basked in her
         glory" [syn: enjoy, bask, relish, savor, savour]
    2: be exposed; "The seals were basking in the sun"