noun
The pieces were held together by several nails
The detective found some fibres under the victim's nails
Carl is biting his nails over the result of his cholesterol test
When you said they were fools, you really hit the nail on the head
He has always paid his bills right on the nail
hard or tough as nails
After years of mountain-climbing, Ren‚ is as hard as nails
The boss, as hard as nails, doesn't care what you sacrifice to get the job done
verb
The door to the mysterious room was nailed shut. His eyes were nailed to the pressure gauge
She nailed him with a left hook and he sank like a stone
Let's celebrate: I nailed down the order for 10,000 air-conditioning units
US