krumm·horn /ˈkrʌmˌhɔrn/
  Krumm·horn, Krum·horn  n.  Mus. (a) A reed instrument of music of the cornet kind, now obsolete (see Cornet, 1, a.). (b) A reed stop in the organ; -- sometimes called cremona.
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  krummhorn
       n : a Renaissance woodwind with a double reed and a curving tube
           (crooked horn) [syn: crumhorn, cromorne]