Auricle

n.	1.	(Anat.) The external ear, or that part of the ear which is prominent from the head.
	2.	(Zool.) An angular or ear-shaped lobe.
	3.	An instrument applied to the ears to give aid in hearing; a kind of ear trumpet.

Noun	1.	auricle - a small conical pouch projecting from the upper anterior part of each atrium of the heart Synonyms: atrial auricle, auricula atrii
	2.	auricle - the externally visible cartilaginous structure of the external ear Synonyms: pinna, ear

atrial auricle, atrium cordis, atrium of the heart, auricula atrii, pocket, pouch