The lobe of your ear is the soft, fleshy part at the bottom.
N-COUNT
（腦、肺等的）葉；（樹葉的）裂片
A lobe is a rounded part of something, for example one of the sections of your brain or lungs, or one of the rounded sections along the edges of some leaves.
例句
...damage to the temporal lobe of the brain.對大腦顳葉的損傷
英英詞典釋義
Adjective
1. having deeply indented margins but with lobes not entirely separate from each other