What does the word superscription mean?

Usage examples for superscription

  1. Whose image and superscription is this?" – Child's Story of the Bible by Mary A. Lathbury
  2. I took the little pearl grey envelope from the salver, and carelessly glanced at the superscription. – A Fool and His Money by George Barr McCutcheon
  3. Genoa was its superscription. – The Complete Project Gutenberg Works of George Meredith by George Meredith
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