symphony
noun
[ ˈsɪmf(ə)ni ]
• an elaborate musical composition for full orchestra, typically in four movements, at least one of which is traditionally in sonata form.
• "Beethoven's Fifth Symphony"
Origin:
Middle English (denoting any of various instruments such as the dulcimer or the virginal): from Old French symphonie, via Latin from Greek sumphōnia, from sumphōnos ‘harmonious’, from sun- ‘together’ + phōnē ‘sound’.