What does the word bubble mean?

Usage examples for bubble

  1. That magnificent stone bubble seems to blow all round the horizon. – Roman Holidays and Others by W. D. Howells
  2. In a word, by noon of that day, Monday, and many and many an hour before the ruins had ceased to smoke, the bubble which might have been easily burst before was pricked. – Chippinge Borough by Stanley J. Weyman
  3. Thereupon every spring in the country ceased to throb and bubble, dying away like the pulse of a dying man. – The Light Princess and Other Fairy Stories by George MacDonald