What does the word comet mean?

Usage examples for comet

  1. The red comet in the sky that night. – The Crisis, Complete by Winston Churchill Last Updated: March 6, 2009
  2. 1676. " Strange news from the East, or a sober account of the Comet or blazing star that has been seen several Mornings of late." – Primitive Psycho-Therapy and Quackery by Robert Means Lawrence