lobe
n. countablen. a rounded part of something, especially a section of an organ in your body like the brain or lungs. The soft part at the bottom of your ear is also called a lobe.
n. a distinct, rounded projection or division of a bodily organ or part, particularly within the brain, lungs, or liver. Also refers to the fleshy, pendulous lower part of the external ear.
She felt a sharp pain in her left ear lobe.
The surgeon carefully examined the lower lobe of the patient's right lung for signs of infection.
Neuroscientists have identified that the frontal lobe is responsible for higher-level cognitive functions, including decision-making, planning, and the regulation of social behavior.
From Middle French lobe in early 16th century, from New Latin lobus (“a lobe”), from Ancient Greek λοβός (lobós, “the lobe of the ear or of the liver, the pod of a leguminous plant”).
Commonly used in medical contexts to specify anatomical locations within the brain or lungs.