\Krumm"horn`\, Krumhorn \Krum"horn`\
(kr[=oo]m"h[^o]rn`), n. [G. krummhorn cornet; krumm crooked +
horn horn.] (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}.