1) Organ reed stop 
• (n.) A certain reed stop in the organ, of a quality of tone resembling that of the oboe.
Cro·mor'na noun [ French cromorne (cf. Italian cromorno 0, from German krummhorn crooked horn, cornet, an organ pipe turned like a trumpet; krumm crooked + horn horn.] (Mus.) A certain reed stop in the organ, of a quality of tone resembling that of the oboe. ...
A cromorna is a certain reed stop in the organ, of a quality of tone resembling that of the oboe.