Dictionary
pec'toral gir'dle
1. (in vertebrates) a bony or cartilaginous arch supporting the forelimbs.
2. Also called
shoulder girdle. (in humans) the bony arch formed by the clavicles, or collarbones, and scapulas, or shoulder blades. Also called
pec'toral arch'. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.