What does the word palpitation mean?

Usage examples for palpitation

  1. He did not seem to be at all put out at anything I said and the inquiries I made with regard to your spitting of blood, and moreover desired me to ask you to send him a correct account of all your sensations and symptoms concerning the palpitation and the spitting and the cough- if you have any. – Letters of John Keats to His Family and Friends by John Keats
  2. With the intermission came palpitation, a dry mouth, and a vague impression of Laroche's biting truths anent Anton's stupidity as a composer, and his strange influence over hard- headed Nicholas. – The Genius by Margaret Horton Potter