auricle
auricle 1 The principal projecting part of the ear, also known as pinna. 2 A structure that is earshaped, like the atrium of the heart, which is also referred to as the auricle of the heart.
auricle 1 The principal projecting part of the ear, also known as pinna. 2 A structure that is earshaped, like the atrium of the heart, which is also referred to as the auricle of the heart.