from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Anatomy The outer projecting portion of the ear. Also called pinna.
- n. Anatomy See atrium.
- n. Biology An earlobe-shaped part, process, or appendage, especially at the base of an organ.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The outer ear or pinna.
- n. An ear-shaped appendage of the left or right atrium of the heart.
- n. An atrium, the smaller of the two types of heart chamber.
- n. Any appendage in the shape of an earlobe
from the GNU version of the Collaborative International Dictionary of English
- n. The external ear, or that part of the ear which is prominent from the head.
- n. 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.
- n. An angular or ear-shaped lobe.
- n. An instrument applied to the ears to give aid in hearing; a kind of ear trumpet.
from The Century Dictionary and Cyclopedia
- n. The pinna of the external ear; that part of the organ of hearing which projects from the side of the head. See pinna, and cut under ear. Also auricula.
- n. A chamber or one of the chambers of the heart into which the blood comes from the veins, and from which it passes into the ventricle or one of the ventricles.
- n. Something, or some part of a thing, like or likened to an ear: variously applied, chiefly in botany, zoölogy, and comparative anatomy.
- n. An instrument applied to the ears to assist in hearing; a kind of ear-trumpet.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a small conical pouch projecting from the upper anterior part of each atrium of the heart
- n. the externally visible cartilaginous structure of the external ear
Middle English, auricle of the heart, from Old French, little ear, from Latin auricula, ear, earlier diminutive of auris, ear; see ous- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin auricula, diminutive of auris ("ear") (Wiktionary)