What does the word compulsion mean?

Usage examples for compulsion

  1. They must have named it so under the compulsion of the awe in which they stood of some parts of it, and not from any knowledge of its length. – The French in the Heart of America by John Finley
  2. " The compulsion was of his own making," Mrs. Warrender said. – A Country Gentleman and his Family by Mrs. (Margaret) Oliphant
  3. I have a dreadful suspicion that it may put my truthfulness down to the compulsion of a tremulous nerve. – Leaves in the Wind by A. G. Gardiner