antitragus

noun
an·​ti·​tra·​gus | \ -ˈtrā-gəs How to pronounce antitragus (audio) \
plural antitragi\ -​ˌjī, -​ˌgī How to pronounce antitragi (audio) \

Medical Definition of antitragus

: a prominence on the lower posterior portion of the concha of the external ear opposite the tragus