Noun: gill bar gil baa(r)
- One of the bony or cartilaginous arches on each side of the pharynx that support the gills of fishes and aquatic amphibians
"The fish's gill bars provide structure and support for its delicate gill filaments";
- gill arch, branchial arch
Derived forms: gill bars
Type of: anatomical structure, bodily structure, body structure, complex body part, structure