Definitions:

1. A small brush used to clean the nails and skin underneath them. NOUN
   • She used a nailbrush to scrub her hads clean after working in the garden.
2. A small brush with firm bristles, used to clean the fingernails or to scrub the hands. NOUN
   • A good nailbrush is essential for maintaining clean and healthy nails.
3. A small handheld brush typically used for cleaning dirt and debris from underneath and round the fingernails and toenails. NOUN
   • She meticulously scrubbed her fingernails with the stiff bristles of the nailbrush.

Synonyms:

• bristle brush
• cleaning brush
• hand brush