The diameter of the tube carrying a bullet is the caliber. 

Anything that amuses you such as comedy or pleasure is a form of amusement.

The specialized tube caring oxygen from your nose to your lungs is the windpipe.

Your ability to handle a certain amount of issues means you can tolerate it.

A specialized metal tool to whip eggs or cream.

The opposite of young is old.

Another word for nothing or zero is zilch.

To hold onto something is to keep it.

The place where our Lord and angel live to help mankind is called heaven.

To drive or force something out is to expel it.