OBOE n.
the clarinet in form, but more slender, and sounded by means of a double reed; a hautboy. Oboe d'amore Etym: [It., lit., oboe of love], and Oboe di caccia Etym: [It., lit., oboe of the chase], are names of obsolete modifications of the oboe, often found in the scores of Bach and Handel.
CORNET n.
An obsolete rude reed instrument (Ger. Zinken), of the oboe family. (b) A brass instrument, with cupped mouthpiece, and furnished with valves or pistons, now used in bands, and, in place of the trumpet, in orchestras. See Cornet-à-piston. (c) A certain organ stop or register.