Cours·er n.
 1. One who courses or hunts.
    leash is a leathern thong by which . . . a courser leads his greyhound.
 2. A swift or spirited horse; a racer or a war horse; a charger. [Poetic.]
 3. Zool. A grallatorial bird of Europe (Cursorius cursor), remarkable for its speed in running. Sometimes, in a wider sense, applied to running birds of the Ostrich family.
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 Cursorius cursor
      n : courser of desert and semidesert regions of the Old World
          [syn: cream-colored courser]