noun
hair at the temples; side hair
Refers specifically to the hair growing on the sides of the head, around the temples. A somewhat literary or technical term; in everyday speech, もみあげ or 横髪 are more common.
彼は鬢髪を指でくるくるといじる癖がある。
He has a habit of twirling his side hair with his fingers.
その肖像画では、鬢髪が丁寧に描かれている。
In that portrait, the hair at the temples is carefully depicted.