What does the word hotbed mean?

Usage examples for hotbed

  1. Yes, it was almost visible what good it did in the hotbed. – Invisible Links by Selma Lagerlof
  2. The army is a perfect hotbed of conspiracies and secret societies, some of which are in favor of the restoration of the republic, while others advocate the restoration of the Bourbons. – Andreas Hofer by Lousia Muhlbach
  3. England, indeed, was a hotbed of Christian enthusiasts awaiting the Jewish Millennium, the downfall of the Pope and Anti- Christ, and Jews and Christians caught mutual fire. – Dreamers of the Ghetto by I. Zangwill