What does the word inoculate mean?

Usage examples for inoculate

  1. I have, it is true, learned, since my return to Europe, that some persons touched the infected with impunity; nay; that others went so far as to inoculate themselves with the plague in order to learn how to cure those whom it might attack. – The Project Gutenberg Memoirs of Napoleon Bonaparte by Bourrienne, Constant, and Stewarton
  2. But Paul has found that out by this time, I dare say; and when his chance comes he can inoculate her with his. – Leonore Stubbs by L. B. Walford