What is the meaning of blank?

noun

• A blank character used to separate successive words in writing or printing.
  • usage: "he said the space is the most important character in the alphabet"
  • synonyms: space
• A blank gap or missing part.
  • synonyms: lacuna
• A piece of material ready to be made into something.
• A cartridge containing an explosive charge but no bullet.
  • synonyms: dummy, blank shell

verb

• Keep the opposing (baseball) team from winning.

adjective

• Of a surface. ( not written or printed on)
  • usage: "blank pages"; "fill in the blank spaces"; "a clean page"; "wide white margins"
  • synonyms: clean, white
• Void of expression.
  • usage: "a blank stare"
  • synonyms: vacuous
• Not charged with a bullet.
  • usage: "a blank cartridge"