noun / verb
nail
NAYL/neɪl/
A small metal pin driven into material to fasten it.
The steel nail has a flat head and a pointed fastening shaft.

Etymology
Old English negel already meant a tapering metal pin. The metal fastener and the fingernail share a word history, with 'fingernail' apparently the original meaning.
In context
Then hammer down the nail. That nail becomes flush with the top and you're done. It's anchored to the concrete. It's a very quick way to fasten plywood to many different surfaces
More examples
- A loose nail sticks out of the fence.
- We nail the plywood over the broken window.
- He nailed the trim in place before painting it.
Forms
nail · nails · nailed · nailing