lobefin lobed spleenwort • lobe-finned fish · · · Info · Definitions · Synonyms · Characters · · lobefin · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) any fish of the order Crossopterygii; most known only in fossil form. Synonyms: crossopterygian, lobe-finned fish. · · Noun Definition 1 Synonyms · · · crossopterygian · · Synonym 1 lobe-finned fish · · Synonym 2 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 f latin small letter f U+0066 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