au·ri·cle
noun/ˈɔːrɪkl/
/ˈɔːrɪkl/
(anatomy)- either of the two upper spaces in the heart used to send blood around the body
心耳 - the outer part of the ear
耳郭；耳廓
Word Originlate Middle English: from Latin auricula ‘external part of the ear’, diminutive of auris ‘ear’.