What does the word serial mean?

Usage examples for serial

  1. He went over to the autofile and punched St. Simon's serial number. – Anchorite by Randall Garrett
  2. Before Jean left the subject of salary, Robert Grant Burns found himself committed to a promise of an increase, provided that Jean really " delivered the goods" in the shape of a scenario serial, and did the stunts which she declared she could and would do. – Jean of the Lazy A by B. M. Bower
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