What does the word blank mean?

Usage examples for blank

  1. It came near being a good trick,- that blank paper." – The Grey Cloak by Harold MacGrath
  2. There was a blank wall. – The Celestial Omnibus and other Stories by E. M. Forster
  3. Why that so far as they count on you they count, my dear Van, on a blank. – The Awkward Age by Henry James
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