Definitions for "Auricle"
The external ear, or that part of the ear which is prominent from the head.
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.
An angular or ear-shaped lobe.
Keywords:  auriculate, awn
Auriculate Awn
Keywords:  botany
a small conical pouch projecting from the upper anterior part of each atrium of the heart
a heart chamber which receives blood
The chamber of the heart that receives blood from the body returned to the heart by the veins. Also referred to as atrium.
A small leaflike structure (often seen as a pair of auricles) that occurs at the base of the new flush of shoot growth, and which may or may not persist throughout the growing season. The prime example is the blue-green auricles of Blackhaw.