holocephalian Holocephali • holocephalous · · · Info · Definitions · Synonyms · Characters · · holocephalian · · Text Latin · · Script 13 · · Length 6 · · Syllables Definitions · · · (noun) fish with high compressed head and a body tapering off into a long tail. Synonyms: holocephalan. · · Noun Definition 1 Synonyms · · · holocephalan · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070