Definitions

1. noun

a small brush used for cleaning under and around fingernails and toenails

“She used a nailbrush to scrub away the old polish from her fingernails.”

2. verb

to clean or scrape with a nailbrush

“He had to nailbrush the old grout from between the tiles.”

3. verb

to insert or attach a nail

“The carpenter began to nailbrush the new boards into place.”