As nouns the difference between bosal and bocal
is that bosal is a type of noseband, used on a horse while bocal is a curved, tapered metal tube which connects the reed of several double reed woodwind instruments (such as the cor anglais, bassoon, and contrabassoon) to the rest of the instrument.
bocal
English
(bocal)
Noun
(
en noun)
a curved, tapered metal tube which connects the reed of several double reed woodwind instruments (such as the cor anglais, bassoon, and contrabassoon) to the rest of the instrument
A cylindrical glass vessel, with a large and short neck.