earlobe
ピアスで耳朶を傷つけた。
She hurt her earlobe getting her ears pierced.
冬の風が耳朶を刺すように冷たかった。
The winter wind was piercingly cold on my earlobes.
赤ちゃんの耳朶はやわらかくてかわいい。
A baby's earlobes are soft and adorable.