- (in vertebrates) a bony or cartilaginous arch supporting the forelimbs.
- Also called shoulder girdle. (in humans) the bony arch formed by the clavicles, or collarbones, and scapulas, or shoulder blades.
- a skeletal support to which the front or upper limbs of a vertebrate are attached
- A bony or cartilaginous structure in vertebrates, attached to and supporting the forelimbs.pectoral arch