| branchial | of or relating to gills (or to parts of the body derived from embryonic gills) |
|---|---|
| branchial | one of the bony or cartilaginous arches on each side of the pharynx that support the gills of fishes and aquatic amphibians |
| branchial | one of a series of slit openings in the pharynxes of fishes and aquatic amphibians through which water passes |