What does the word lampoon mean?

Usage examples for lampoon

  1. He was sent to Rugby, but disapproving of the headmaster's judgment of his Latin verses, he produced such a lampoon upon him, also in Latin, as made removal or expulsion a necessity. – A Wanderer in Florence by E. V. Lucas
  2. Ther is nothing worth Quoting in his Lampoon against the Hirelings. – The Grammar of English Grammars by Goold Brown