krummhorn

A wind instrument of the Renaissance with a curving tube and a double reed.

A medieval musical instrument of the clarinet class, having a curved tube and a melancholy tone.

In organ-building, a reed-stop with short, slender metal pipes, and a tone like that of the clarinet. Also called clarinet-stop, cromorna, and corruptly cremona.

A reed instrument of music of the cornet kind, now obsolete (see cornet, 1, a.).

A reed stop in the organ; — sometimes called cremona.

a mediaeval and Renaissance wind instrument

a stop on an organ

a Renaissance woodwind with a double reed and a curving tube (crooked horn)