Source : Webster's Revised Unabridged Dictionary (1913)

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

Haulm \Haulm\, n.
   A part of a harness; a hame.

Source : WordNet®

haulm
     n : stems of beans and peas and potatoes and grasses
         collectively as used for thatching and bedding [syn: {halm}]