duc’tus

L. Melodic progre ion. 1. d. rectus. Ascending. 2. d. revers us or revertens. Descending; or 3. d. circumcurrens. Ascending and descending. Dudeler (doo’dél-er), G. A wretched singer or player. Du’delkasten, G. Barrel-organ. Dudelsack (doo’d’l-zik), Dud elk as ten sack, G. A bagpipe.