Definitions

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.
  • 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.
  • n.

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

Etymologies

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)

Examples

  • Right at the start of my experiments upon animals it had occurred to me, as to other investigators, that one could penetrate diagonally through the right auricle from the upper into the lower vena cava.

    Werner Forssmann - Nobel Lecture

  • The external part of the ear is called the auricle, or outward ear, which is a cartilaginous funnel, connected to the bones of the temple, by means of cellular substance, and likewise by its own proper ligaments and muscles.

    Popular Lectures on Zoonomia Or The Laws of Animal Life, in Health and Disease

  • With a skillful pressing movement of her auricle, which is used as a hammer, she pushes the gathered gold into her baskets.

    Wil's Ebay E-Store

  • 25 THE HUMAN BRAIN The auricle is another uniquely mammalian feature.

    The Human Brain

  • Abbreviations: P, the outside opening of the pneumostome (breathing hole); MC, mantle collar (the front edge of the mantle that is fused to the top of the head in a live snail); K, kidney, V, ventricle; A, auricle (the ventricle and the auricle together make up the heart); R, rectum (its opening is within the pneumostome); L, lung.

    Archive 2009-01-01

  • The eight tribal leaders were scheduled to meet each other on Monday in Wana to discuss plans to achieve peace between between security forces and insurgents. and it reminded me of an auricle that I have neglected to post.

    Archive 2008-01-01

  • The peripheral system includes the external ear (auricle and ear canal), the tympanic membrane, or eardrum, the middle ear (three small and connected bones: malleus, incus, and stapes), the oval window boundary, and the inner ear (vestibular system and cochlea).

    You Raising Your Child

  • Slice through to whichever interior chamber you hit first — auricle or ventricle — and lay the heart out open.

    You gotta have heart | Diane Duane's weblog: "Out of Ambit"

  • So that, in his view (Fig. 2), the course of the blood was from the intestine to the liver, and from the liver into the great ‘vena cava’, including what we now call the right auricle of the heart, whence it was distributed by the branches of the veins.

    Essays

  • Furthermore, he demonstrated that the cavities of the left side of the heart — what we now call the left auricle and the left ventricle — are, like the arteries, full of blood during life, and that that blood was of the scarlet kind — arterialised, or as he called it

    Essays

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