dibranch dibrach • Dibranchia · · · Info · Definitions · Synonyms · Characters · · dibranch · · Text Latin · · Script 8 · · Length Definitions · · · (noun) cephalopods having two gills. Synonyms: dibranchiate, dibranchiate mollusk. · · Noun Definition 1 Synonyms · · · dibranchiate · · Synonym 1 dibranchiate mollusk · · Synonym 2 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072