noun
: any of several paired curving arteries as:
a. : either of two branches of the deep femoral artery, an external supplying the front of the thigh and an internal the adductor muscles and adjacent parts
b. : either of two branches of the axillary artery that wind around the neck of the humerus
c. : either circumflex iliac artery
d. : a branch of the subscapular artery supplying the muscles of the shoulder