auricle

au·ri·cle  (ôr-kl)

n.

1. Anatomy

a. The outer projecting portion of the ear. Also called pinna.

b. See atrium.

2. Biology An earlobe-shaped part, process, or appendage, especially at the base of an organ.

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[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.]

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auri·cled (-kld) adj.

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auricle

Noun

1. the upper chamber of the heart

2. the outer part of the ear [Latin auris ear]

auricular adj

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auricle  (ôr-kl)

1. The visible part of the outer ear.

2. An atrium of the heart.

Thesaurus

Noun	1.	auricle - a small conical pouch projecting from the upper anterior part of each atrium of the heart atrial auricle, auricula atrii atrium cordis, atrium of the heart - the upper chamber of each half of the heart pouch, pocket - (anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican)
	2.	auricle - the externally visible cartilaginous structure of the external ear pinna, ear ear lobe, earlobe - the fleshy pendulous part of the external human ear external ear, outer ear - the part of the ear visible externally tragus - a small cartilaginous flap in front of the external opening of the ear cauliflower ear - an auricle deformed by injury; common among boxers cartilaginous structure - body structure given shape by cartilage