1. The innominate artery is a short artery arising from the aorta and giving rise to a subclavian artery (terminating in a forelimb) and a carotid artery (terminating in the head). It is found in many birds and mammals.
2. The innominate bone is each half of the pelvis (hip bone), when the pubis, ilium, and ischium are fused together into a single bone, as in adult mammals, reptiles, and birds.