AURICLE
auricle, pinna, ear
(noun) the externally visible cartilaginous structure of the external ear
auricle, atrial auricle, auricula atrii
(noun) a small conical pouch projecting from the upper anterior part of each atrium of the heart
Source: WordNet® 3.1
Etymology
Noun
auricle (plural auricles)
(anatomy) The outer ear or pinna.
(anatomy) An ear-shaped appendage of the left or right atrium of the heart.
(anatomy) An atrium, the smaller of the two types of chamber in the heart.
(botany) Any appendage in the shape of an earlobe.
Synonyms
• (outer ear): pinna, pavilion
Source: Wiktionary
Au"ri*cle, n. Etym: [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. (Zoöl.)
Definition: An angular or ear-shaped lobe.
3. An instrument applied to the ears to give aid in hearing; a kind
of ear trumpet. Mansfield.
Source: Webster’s Unabridged Dictionary 1913 Edition