The Collaborative International Dictionary of English v.0.48:

Brown \Brown\, n.
   A dark color inclining to red or yellow, resulting from the
   mixture of red and black, or of red, black, and yellow; a
   tawny, dusky hue.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Brown \Brown\ (broun), a. [Compar. Browner; superl.
   Brownest.] [OE. brun, broun, AS. br?n; akin to D. bruin,
   OHG. br?n, Icel. br?nn, Sw. brun, Dan. bruun, G. braun, Lith.
   brunas, Skr. babhru. [root]93, 253. Cf. Bruin, Beaver,
   Burnish, Brunette.]
   Of a dark color, of various shades between black and red or
   yellow.
   [1913 Webster]

         Cheeks brown as the oak leaves.          --Longfellow.
   [1913 Webster]

   Brown Bess, the old regulation flintlock smoothbore musket,
      with bronzed barrel, formerly used in the British army.

   Brown bread
   (a) Dark colored bread; esp. a kind made of unbolted wheat
       flour, sometimes called in the United States Graham
       bread. "He would mouth with a beggar though she smelt
       brown bread and garlic." --Shak.
   (b) Dark colored bread made of rye meal and Indian meal, or
       of wheat and rye or Indian; rye and Indian bread. [U.S.]


   Brown coal, wood coal. See Lignite.

   Brown hematite or Brown iron ore (Min.), the hydrous iron
      oxide, limonite, which has a brown streak. See Limonite.


   Brown holland. See under Holland.

   Brown paper, dark colored paper, esp. coarse wrapping
      paper, made of unbleached materials.

   Brown spar (Min.), a ferruginous variety of dolomite, in
      part identical with ankerite.

   Brown stone. See Brownstone.

   Brown stout, a strong kind of porter or malt liquor.

   Brown study, a state of mental abstraction or serious
      reverie. --W. Irving.
      [1913 Webster]

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:

Brown \Brown\, v. i.
   To become brown.
   [1913 Webster]

WordNet (r) 3.0 (2006):

brown
    adj 1: of a color similar to that of wood or earth [syn:
           brown, brownish, chocolate-brown, dark-brown]
    2: (of skin) deeply suntanned [syn: brown, browned]
    n 1: an orange of low brightness and saturation [syn: brown,
         brownness]
    2: Scottish botanist who first observed the movement of small
       particles in fluids now known a Brownian motion (1773-1858)
       [syn: Brown, Robert Brown]
    3: abolitionist who was hanged after leading an unsuccessful
       raid at Harper's Ferry, Virginia (1800-1859) [syn: Brown,
       John Brown]
    4: a university in Rhode Island [syn: Brown University,
       Brown]
    v 1: fry in a pan until it changes color; "brown the meat in the
         pan"
    2: make brown in color; "the draught browned the leaves on the
       trees in the yard" [syn: embrown, brown]