What does the word mark mean?

Usage examples for mark

  1. This was the high- water mark. – The History of the Fabian Society by Edward R. Pease
  2. " Yes- I- tell- you- it- is- all- right," said Mark, quietly. – The Black Bar by George Manville Fenn
  3. They " mark time," as Caterna says. – The Adventures of a Special Correspondent by Jules Verne