composer Meaning, Definition & Usage

  1. noun someone who composes music as a profession

WordNet

Com*pos"er noun
Definitions
  1. One who composes; an author. Specifically, an author of a piece of music.
    If the thoughts of such authors have nothing in them, they at least . . . show an honest industry and a good intention in the composer. Addison.
    His [Mozart's] most brilliant and solid glory is founded upon his talents as a composer. Moore (Encyc. of Mus. ).
  2. One who, or that which, quits or calms; one who adjust a difference.
    Sweet composes of the pensive sul. Gay.

Webster 1913