Bran

Noun

 * 1) Outside layer of a grain.

Thesaurus
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