WordDictionary

Adjective:

• Free from writing, printing, or marks; having an empty space to be filled in; as, blank paper; a blank check; a blank ballot.
• Without color; lacking characteristics which give variety.
• Without expression.

Noun:

• A bullet that doesn't harm; a cartridge inserted into a gun that fires no projectile.
• archaic A kind of base silver money, first coined in England by Henry V., and worth about 8 pence; also, a French coin of the seventeenth century, worth about 4 pence. Nares.
• A space to be filled in on a form or template.
• A void space on a paper.
• dominoes A piece or division of a piece, without spots; as, the double blank"; the six blank." In blank, with an essential portion to be supplied by another; as, to make out a check in blank.
• engineering A piece of metal prepared to be made into something by a further operation, as a coin, screw, nuts.
• The space character; the character resulting from pressing the space-bar on a keyboard.

Verb:

• slang To ignore.
• To prevent from scoring, as in a sporting event.
• transitive To make void; to erase.