What does the word tremor mean?

Usage examples for tremor

  1. I was in a tremor, and could not persuade myself there was any way so safe as that of consulting Frank Henley. – Anna St. Ives by Thomas Holcroft
  2. " I am nervous," said she, an odd little tremor in her voice. – Antony Gray,--Gardener by Leslie Moore
  3. A convulsive tremor shook his arm. – A Mummer's Tale by Anatole France