lobe-finned fish lobefin • lobefoot · · · Info · Definitions · Synonyms · Characters · · lobe-finned fish · · Text Common · · Latin · · Scripts 16 · · Length 4 · · Syllables Definitions · · · (noun) any fish of the order Crossopterygii; most known only in fossil form. Synonyms: crossopterygian, lobefin, lobe-finned fish. · · Noun Definition 1 Synonyms · · · crossopterygian · · Synonym 1 lobefin · · Synonym 2 Characters · · space U+0020 - hyphen-minus U+002D b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 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 s latin small letter s U+0073