Source : Webster's Revised Unabridged Dictionary (1913)

Courlan \Cour"lan\ (k??r"l?n), n. (Zo["o]l.)
   A South American bird, of the genus {Aramus}, allied to the
   rails.

Source : WordNet®

courlan
     n : wading bird of South America and Central America [syn: {Aramus
         guarauna}]