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