The Collaborative International Dictionary of English v.0.48:

Brown \Brown\, v. t. [imp. & p. p. Browned; p. pr. & vb. n.
   Browning.]
   1. To make brown or dusky.
      [1913 Webster]

            A trembling twilight o'er welkin moves,
            Browns the dim void and darkens deep the groves.
                                                  --Barlow.
      [1913 Webster]

   2. To make brown by scorching slightly; as, to brown meat or
      flour.
      [1913 Webster]

   3. To give a bright brown color to, as to gun barrels, by
      forming a thin coat of oxide on their surface. --Ure.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

browned \browned\ adj.
   having a tan color from exposure to the sun; -- of skin
   color.

   Syn: suntanned, tanned.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

browned
    adj 1: (of skin) deeply suntanned [syn: brown, browned]