Me·ro n.  Any of several large groupers of warm seas, esp. the guasa (Epinephelus guaza), the red grouper (Epinephelus morio), the black grouper (Epinephelus nigritas), distinguished as Me·ro de lo al·to and a species called also rock hind, distinguished as Me·ro ca·brol·la
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  rock hind
       n : found around rocky coasts or on reefs [syn: Epinephelus
           adscensionis]