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From Biology-Online Dictionary | Biology-Online Dictionary
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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.

2. (Science: zoology) The European carrion crow.

Origin: oe. Bren, bran, OF. Bren, f. Bran, from Celtic; cf. Armor. Brenn, ir. Bran, bran, chaff.