The Collaborative International Dictionary of English v.0.48:

Bran \Bran\, n. [OE. bren, bran, OF. bren, F. bran, from Celtic;
   cf. Armor. brenn, Ir. bran, bran, chaff.]
   1. The broken coat of the seed of wheat, rye, or other cereal
      grain, separated from the flour or meal by sifting or
      bolting; the coarse, chaffy part of ground grain.
      [1913 Webster]

   2. (Zool.) The European carrion crow.
      [1913 Webster]

WordNet (r) 3.0 (2006):

bran
    n 1: broken husks of the seeds of cereal grains that are
         separated from the flour by sifting
    2: food prepared from the husks of cereal grains

Moby Thesaurus II by Grady Ward, 1.0:

66 Moby Thesaurus words for "bran":
   air pollution, attritus, bark, barley, bird seed, capsule, case,
   cat food, chaff, chicken feed, chop, corn, corn shuck, cornhusk,
   cosmic dust, crumb, crumble, dog food, dust, dust ball, eatage,
   efflorescence, ensilage, fallout, farina, feed, filings, flour,
   fodder, forage, grain, grits, groats, hay, hull, husk, jacket,
   kittens, lint, mash, meal, oats, palea, pasturage, pasture, peel,
   pet food, pod, powder, provender, pussies, raspings, rind, sawdust,
   scratch, scratch feed, shell, shuck, silage, skin, slops, smut,
   soot, straw, swill, wheat



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

BRAN
       Broadband Radio Access Network (ETSI, WLAN)