noun
one of the bony or cartilaginous arches on each side of the pharynx that support the gills of fishes and aquatic amphibians
• Syn: ↑gill arch, ↑branchial arch
• Hypernyms: ↑structure, ↑anatomical structure, ↑complex body part, ↑bodily structure, ↑body structure
* * *
/gil/.
See branchial arch (def. 1).
Useful english dictionary. 2012.