opah opacousness • opal · · · Info · Definitions · Synonyms · Characters · · opah · · Text Latin · · Script 4 · · Length Definitions · · · (noun) large elliptical brightly colored deep-sea fish of Atlantic and Pacific and Mediterranean. Synonyms: moonfish, Lampris regius. · · Noun Definition 1 Synonyms · · · moonfish · · Synonym 1 lampris regius · · Synonym 2 Characters · · a latin small letter a U+0061 h latin small letter h U+0068 o latin small letter o U+006F p latin small letter p U+0070