[ də'rα:dəʊ ]
■ noun ( plural ~s )
1》 a large edible fish of warm seas, with silver and bright blue or green coloration. [ Coryphaena hippurus .]
2》 a South American freshwater game fish with a golden body and red fins. [ Salminus maxillosus .]
Origin
C17: from Sp., lit. 'gilded'.