Auricle
auricle (?), n. (L. auricula, dim.of auris ear. See Ear.) 1. (Anat.)
(a) The external ear, or that part of the ear which is
prominent from the head. (b) The chamber, or one
of the two chambers, of the heart, by which the blood is received and
transmitted to the ventricle or ventricles; -- so called from its
resemblance to the auricle or external ear of some quadrupeds. See
Heart.
2. (Zool.) An angular or ear-shaped
lobe.
3. An instrument applied to the ears to give aid in
hearing; a kind of ear trumpet. Mansfield.
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