Auricle Auricle has the following meanings : A small conical pouch that projects from each atrium of the heart . Right auricle Left auricle An older name for the left and right atria of the heart . The external portion of the ear , the pinna . In some grasses it is the name given to ear-like outgrowths at the junction of the leaf blade and the leaf sheath . See also Auricula This disambiguation page lists articles associated with the same title . If an internal link led you here , you may wish to change the link to point directly to the intended article . Categories : Disambiguation 