nut

As the bolt tightens into the nut, it pulls the tenon on the side rail into the mortise in the bedpost and locks them together. There are also some European beds that reverse the bolt and nut by setting the nut into the bedpost with the bolt inserted into a slotted area in the side of the rail.

He was driving his car like a nut.

Let the Cream get firmly in her nut the idea that Sir Roderick Glossop was not the butler, the whole butler and nothing but the butler, and disaster, as I saw it, loomed.

My attorney was waiting in a bar around the corner. “This won't make the nut,” he said, “unless we have unlimited credit.”

‘You are not going to be what they call a Nut, are you?’ she inquired with some anxiety, partly with the idea that a Nut would be an extravagance which her sister's small household would scarcely be justified in incurring ….

I kicked him in the nuts.

As loudmouthed lovermen, these Lil Jon-endorsed ATLiens denigrate women from the window to the wall, generously offering to "make nut come out your nose."

He just needs a good nut to make him feel better.

a fashion nut

When placing nuts, always look for constrictions within the crack, behind which the nut can be wedged.

nut straight = the best possible straight available (it can't be beat by any other straight, though it can still be beat by a better non-straight hand)

dough-nut