Haulm , n.[OE. halm, AS. healm; akin to D., G., Dan., & Sw. halm, Icel. hālmr, L. calamus reed, cane, stalk, Gr. καλαμός. Cf. Excel, Culminate, Culm, Shawm, Calamus.]The denuded stems or stalks of such crops as buckwheat and the cereal grains, beans, etc.; straw.