Per·coid a.  Zool. Belonging to, or resembling, the perches, or family Percidæ. -- n. Any fish of the genus Perca, or allied genera of the family Percidæ; a percoidean.
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  percoid
       n : any of numerous spiny-finned fishes of the order Perciformes
           [syn: percoid fish, percoidean]