n.
Function: noun
Date: 1554
1 obsolete : the bull's-eye of a target
2 a : an empty space (as on a paper) b : a paper with spaces for the entry of data <an order blank >
3 a : a piece of material prepared to be made into something (as a key) by a further operation b : a cartridge loaded with propellant and a seal but no projectile
4 a : an empty or featureless place or space <my mind was a blank > b : a vacant or uneventful period <a long blank in history>
5 : a dash substituting for an omitted word