Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: gill arch  gil aa(r)ch
  1. One of the bony or cartilaginous arches on each side of the pharynx that support the gills of fishes and aquatic amphibians
    - branchial arch, gill bar

Derived forms: gill arches

Type of: anatomical structure, bodily structure, body structure, complex body part, structure

Encyclopedia: Gill arch