Auricle has the following meanings:

• Auricle, the external portion of the ear.
• In some grasses it is the name given to ear-like outgrowths at the junction of the leaf blade and the leaf sheath.

In anatomy:

• A small conical pouch that projects from each atrium. Serves to increase the size of the atrium when extra blood is needed.
  • Right auricle
  • Left auricle
• An older name for the left and right atria of the heart.