- Music.
- an elaborate instrumental composition in three or more movements, similar in form to a sonata but written for an orchestra and usually of far grander proportions and more varied elements.
- an instrumental passage occurring in a vocal composition, or between vocal movements in a composition.
- an instrumental piece, often in several movements, forming the overture to an opera or the like.
- symphony orchestra.
- a concert performed by a symphony orchestra.
- anything characterized by a harmonious combination of elements, especially an effective combination of colors.
- harmony of sounds.
- agreement; concord.
- an extended large-scale orchestral composition, usually with several movements, at least one of which is in sonata form. The classical form of the symphony was fixed by Haydn and Mozart, but the innovations of subsequent composers have freed it entirely from classical constraints. It continues to be a vehicle for serious, large-scale orchestral music
- a piece of instrumental music in up to three very short movements, used as an overture to or interlude in a baroque opera
- any purely orchestral movement in a vocal work, such as a cantata or oratorio
- short for symphony orchestra
- (in musical theory, esp of classical Greece)
- another word for consonance (def. 3) Compare diaphony (def. 2)
- the interval of unison
- anything distinguished by a harmonious composition
- harmony in general; concord
