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,
Of a dark color, of various shades between black and red or
Cheeks brown as the oak leaves. --Longfellow.
Brown Bess, the old regulation flintlock smoothbore musket,
with bronzed barrel, formerly used in the British army.
(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.