gill bar gill bailer • gill basket · · · Info · Definitions · Synonyms · Characters · · gill bar · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) one of the bony or cartilaginous arches on each side of the pharynx that support the gills of fishes and aquatic amphibians. Synonyms: gill arch, branchial arch, gill bar. · · Noun Definition 1 Synonyms · · · gill arch · · Synonym 1 branchial arch · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C r latin small letter r U+0072