What does the word whet mean?

Usage examples for whet

  1. I have stinted myself to save from the results of the last forgery the gold to whet his zeal. – Lucretia, Complete by Edward Bulwer-Lytton
  2. Yes, sir, said Johannes, pausing to whet his curious knife; but that's how things are. – Steve Young by George Manville Fenn
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