1. thin pointed pieces of metal hammered into wood or other materials to fasten things together
2. the hard covering at the end of fingers and toes

1. fastens something with nails
2. catches or arrests someone
Usage: informal

Examples

• She hammered the nails into the wooden board.
• The carpenter used long nails to secure the frame.
• She painted her nails bright red for the party.
• He bit his nails when he was nervous.
• The worker nails the shingles to the roof.
• Police finally nailed the suspect after months of investigation.
• She nails the boards together to make a bookshelf.