noun
cotton ball; swab
Refers to a small ball of cotton used for medical or cosmetic purposes. Can also mean a cotton swab (e.g., for cleaning).
消毒する前に、綿球で傷口を拭いてください。
Before disinfecting, please wipe the wound with a cotton ball.
耳掃除には綿球を使うと安全です。
Using a cotton swab is safe for cleaning ears.