manubrium /məno̅o̅″brē·əm/ [L, handle] , the most anterior of the three bones of the sternum, presenting a broad quadrangular shape that narrows caudally at its articulation with the superior end of the body of the sternum. The pectoralis major and the sternocleidomastoideus are attached to the manubrium. Compare xiphoid process. −manubrial, adj.
