auricle Meaning, Definition & Usage

  1. noun a small conical pouch projecting from the upper anterior part of each atrium of the heart
    auricula atrii; atrial auricle.
  2. noun the externally visible cartilaginous structure of the external ear
    ear; pinna.

WordNet

Au"ri*cle noun
Etymology
L. auricula, dim. of auris ear. See Ear.
Definitions
  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.) An angular or ear-shaped lobe.
  3. An instrument applied to the ears to give aid in hearing; a kind of ear trumpet. Mansfield.

Webster 1913