noun

 

metal object a thin piece of metal with a sharp end, used to join pieces of wood together

a hammer and nails

 

fingers/toes the hard surface at the end of your fingers and toes

fingernails/toenails

 

verb

 

to fasten something with nails

There was a 'private property' sign nailed to the tree.

 

to catch someone who has committed a crime

They eventually nailed him for handling stolen goods.