New American Oxford Dictionary
cornetto
cor net to |kôrˈnetō kɔrˈnɛdoʊ |(also cornett |-ˈnet |) ▶noun ( pl. cornetti |-ˈnetē | or cornetts ) a woodwind instrument of the 16th and 17th centuries, typically curved, with finger holes and a cup-shaped mouthpiece. ORIGIN late 19th cent.: from Italian, diminutive of corno ‘horn, ’ from Latin cornu. Compare with cornet .
Oxford Dictionary
cornetto
cornetto |kɔːˈnɛtəʊ |(also cornett |ˈkɔːnɪt, kɔːˈnɛt |) ▶noun ( pl. cornetti |-ti | or cornetts ) a woodwind instrument of the 16th and 17th centuries, typically curved, with finger holes and a cup-shaped mouthpiece. ORIGIN late 19th cent.: from Italian, diminutive of corno ‘horn ’, from Latin cornu. Compare with cornet 1 .
Duden Dictionary
Cornetto
Cor net to Substantiv, Neutrum Musik , das |Corn e tto |das Cornetto; Genitiv: des Cornettos, Plural: die Cornettos und Cornetti italienisch kleines Grifflochhorn, Zink ein altes Holzblasinstrument