auricle

auricle [awr-i-kuh l] ExamplesWord Origin noun

1. Anatomy.
   1. the projecting outer portion of the ear; pinna.
   2. Also called auricular appendage.an ear-shaped appendage projecting from each atrium of the heart.
   3. (loosely) the atrium.
2. Botany, Zoology. a part like or likened to an ear.

Origin of auricle First recorded in 1645–55, auricle is from the Latin word auricula the (external) ear, ear lobe. See auri-2, -cle1 Related formsau·ri·cled, adjectiveCan be confusedauricle oracle Examples from the Web for auricle Historical Examples of auricle

It contains one auricle and one ventricle only, not two of each as in man.

A Guide to the Study of Fishes, Volume 1 (of 2)

David Starr Jordan

The auricle receives the impure blood from all parts of the body.

A Guide to the Study of Fishes, Volume 1 (of 2)

David Starr Jordan

If there be accompanying œdema of the auricle and surrounding parts.

A System of Operative Surgery, Volume IV (of 4)

Various

The heart consists of two moieties, or lobes, known as the auricle and ventricle.

Reptiles and Birds

Louis Figuier

The fate of the sinus venosus and auricle must now be followed.

Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2

Various

British Dictionary definitions for auricle auricle noun

1. 1. the upper chamber of the heart; atrium
   2. a small sac in the atrium of the heart
2. Also called: pinna anatomy the external part of the ear
3. Also called: auricula biology an ear-shaped part or appendage, such as that occurring at the join of the leaf blade and the leaf sheath in some grasses

Derived Formsauricled, adjectiveWord Origin for auricle C17: from Latin auricula the external ear, from auris ear Word Origin and History for auricle n.

part of the ear, 1650s, from Latin auricula “ear,” diminutive of auris (see ear (n.1)). As a chamber of the heart, early 15c., from Latin, so called from a perceived similarity in shape to an animal’s ear.

auricle in Medicine auricle [ôr′ĭ-kəl] n.

1. Atrial auricle.
2. The projecting shell-like structure on the side of the head constituting, with the external acoustic meatus, the external ear.pinna

auricle in Science auricle [ôr′ĭ-kəl]

1. The visible part of the outer ear.
2. An atrium of the heart.