a wind instrument made of wood or ivory, or nowadays reproduced in fibre-glass. it has a cup-shaped mouthpiece, like brass instruments, but finger-holes, like a recorder, and was much used in the 17th and earlier 18th centuries, often to support or even replace treble voices. the bass of the cornetto family is the serpent, once found in village church bands in England and now revived<br><br>(It) Cornett