blank

If you blank something, you make it empty.

If a piece of paper or something else is blank, it has nothing written on it.

Example: I asked Bill for a blank piece of paper, but he gave me one with writing on it.

A blank is a space or line on a piece of paper or somewhere else where a word or phrase is supposed to be.

Example: Fill in the blanks on the legal form.

A blank is a cartridge that contains gunpowder but does not have a bullet. It used usually used for training or as a signal.