[brey-kee-oh-suh-fal-ik, brak-ee-, brey-kee-, brak-ee-] 
| a major artery, arising from the arch of the aorta, that supplies blood to the right arm and the head. |
| brachiocephalic artery n. See innominate artery. |
| innominate artery n. An artery that arises from the arch of the aorta and divides into the right subclavian and right carotid arteries. Also called brachiocephalic artery, brachiocephalic trunk. |
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