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a. an actor's role in a play
b. the speech and actions which make up such a role
c. a written copy of these
2. Anatomy any portion of a larger structure
3. a component that can be replaced in a machine, engine, etc.
4. Music
a. one of a number of separate melodic lines making up the texture of music
b. one of such melodic lines, which is assigned to one or more instrumentalists or singers
c. such a line performed from a separately written or printed copy



in music:

(1) A component of an orchestral, musical-dramatic, or ensemble work intended for performance by a particular voice or musical instrument. In opera, there are two ways of designating solo vocal parts: by the type of voice (for example, soprano part, bass part) and by the name of the hero of the opera (for example, the part of German in Tchaikovsky’s The Queen of Spades).

(2) A section of the exposition (and recapitulation) in the sonata form.


An element of a subassembly, not normally useful by itself and not amenable to further disassembly for maintenance purposes.


1. A dividing wall within a building; may be bearing or non-load-bearing.
2. In sound-transmission considerations, any building component (or a combination of components), such as a wall, door, window, roof, or floor-ceiling assembly, that separates one space from another.
References in periodicals archive ?
The sum musical parts of these two records forced me to seriously consider dusting off the Bible and moving back to the hills.
Norman Blake took over the movie musical parts of Hartford and, with his wife, Nancy, and the Cox Family, splendidly dashed off the "old hobo song" "Big Rock Candy Mountain" and "You Are My Sunshine"; Alison Krauss and Union Station, in their first of three visits to the stage, rattled off two stellar bluegrass numbers; Dan Tyminski and Harley Allen, the real Soggy Mountain Boys singers, were joined by ace blue-grasser Stuart Duncan to sing the film's most famous number, "I Am a Man of Constant Sorrow.
LISTENING to the technical mastery of the young musicians on this CD one realises that, whatever the shortcomings of other parts of the state educational system, the musical parts of it sometimes work astonishingly well.