1A throbbing or sharp twinge of pain; a transient ache or pang (often used for physical pain or a sharp feeling of longing). Usually written in kana.
胸にうずきが走った。
A twinge ran through my chest.
古い虫歯のうずきがひどくて眠れなかった。
The throbbing from an old cavity was so bad I couldn't sleep.
彼への未練が胸のうずきとして残っている。
My lingering feelings for him remain as a twinge in my chest.