Meanings
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1
noun
the tough outer layers of a cereal grain, separated from flour during milling and used as food or animal feed
The baker added wheat bran to increase the bread's fiber content.
Thesaurus
Etymology
From Middle English bran, from Old French bran or bren ("bran"). The deeper origin is uncertain, though it is often connected with a Gaulish or other Celtic word for refuse or residue.