an arrangement of slow-burning fireworks forming a design or composition when lighted.
a piece of scenery used as part of a stage set, as a profile or three-dimensional construction built to stand independently on the stage floor: A few set pieces simulating rocks and a fence constituted the scenery for the first act.
a work of art, literature, music, etc., having a prescribed thematic and formal structure: the set pieces of Restoration comedy.
a scene, action, or the like, having a conventional form and functioning as part of the structure of a work of art, literature, etc.
a military operation carried out according to a rigid plan.
(in a novel, narrative poem, or the like) a passage more or less extraneous to the sequence of events, introduced to supply background, color, or the like.