"spent grains" in German spent grains Biertreber Malztreber Treber Detailed translations for "spent grains" spent grains spent grains(also: draff, brewer's grains, marc of spent malt) Biertreber{masculine plural} spent grains(also: draff, brewer's grains, marc of spent malt) Malztreber{masculine plural} spent grains(also: draff, brewer's grains, marc of spent malt) Treber{masculine plural}