What does the word prototype mean?

Usage examples for prototype

  1. He has his prototype, too, in every walk of life. – In Times Like These by Nellie L. McClung
  2. In each example, the bench plane clearly follows the English prototype. – Woodworking Tools 1600-1900 by Peter C. Welsh
  3. It has no prototype, and is by far the most original thing that he did. – Emerson and Other Essays by John Jay Chapman
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