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Dictionary Language resources

auricle

Pronunciation: /ˈɔːrɪk(ə)l/

Definition of auricle

noun

Anatomy & Biology

1a structure resembling an ear or ear lobe: grass leaves often have two auricles at the junction between the leaf sheath and the blade
the external part or pinna of the ear.

2another term for atrium (of the heart).blood passes downward from the auricle to the ventricle
a small muscular flap on the surface of each atrium of the heart.