auricle

auricle
[ˈɔːrɪk(ə)l]
noun
  1. (Anatomy & Biology)a structure resembling an ear or ear lobe
    (剖,生)耳状部;耳状器官
    ■another term for atrium (of the heart)
    同 atrium (心房)
    ■a small muscular flap on the surface of each atrium
    (心房表面的)心耳
    ■the external part or pinna of the ear
    耳廓
语源
  1. late Middle English : from Latin auricula 'external part of the ear', diminutive of auris 'ear'
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