auricle / oracle [ˈɔrɪk(ə)l]
auricle – n. – anat., 1. a small muscular pouch on the surface of each atrium of the heart, also the atrium itself; 2. the external ear of animals also called pinna; an appendage shaped like an ear
oracle – n. – 1. a place where advice of prophecy was sought in classical antiquity; 2. the response given at such a place; 3. a person or thing regarded as an infallible guide to future action etc.; 3. divine inspiration or revelation