The Collaborative International Dictionary
Malt dust
Malt \Malt\, a. Relating to, containing, or made with, malt.
Malt liquor, an alcoholic liquor, as beer, ale, porter, etc., prepared by fermenting an infusion of malt.
Malt dust, fine particles of malt, or of the grain used in
making malt; -- used as a fertilizer. `` Malt dust
consists chiefly of the infant radicle separated from the
grain.''
--Sir H. Davy.
Malt floor, a floor for drying malt.
Malt house, or Malthouse, a house in which malt is made.
Malt kiln, a heated chamber for drying malt.
Wiktionary
malt dust
n. Fine particles of malt, or of the grain used in making malt; used as a fertilizer.