Definition of auricle in English:


Syllabification: au·ri·cle
Pronunciation: /ˈôrikəl


Anatomy & Biology
  • 1A structure resembling an ear or earlobe.
    More example sentences
    • The auricles are small, clearly separated from the anterior and posterior margins of the shell and are found in the plane of the closing of the valves.
    • The new species differs from it in being narrower and higher at a comparable growth stage and in having less oblique auricles.
  • 1.1 another term for atrium (of the heart).
    More example sentences
    • This involves inserting a device within a catheter into the interior of the heart and which spreads out like an umbrella inside the right and left auricle.
    • The heart appears to be the most primitive of all adult vertebrates, with the auricle, ventricle and conus arteriosus arranged in straight line, rather than being doubled over one another.
  • 1.2Strictly, a small muscular appendage of each atrium.
    More example sentences
    • It has a real beating heart with all its auricles, ventricles and valves in their anatomically correct positions.
  • 1.3The external part or pinna of the ear.
    More example sentences
    • Within head injuries auricles were mainly bruised.
    • Inflammation or infection of external auditory canal and auricle.
    • Radiographic examination revealed opacities consistent with bony structure in the auricles of the ears, with the right more prominent than the left.


late Middle English: from Latin auricula 'external part of the ear', diminutive of auris 'ear'.

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