Definitions for jennerˈdʒɛn ər
Random House Webster's College Dictionary
Edward, 1749–1823, English physician: discoverer of smallpox vaccine.
Sir William, 1815–98, English physician.
Jenner, Edward Jenner(noun)
English physician who pioneered vaccination; Jenner inoculated people with small amounts of cowpox to prevent them from getting smallpox (1749-1823)