alarm-bell

  1. Noun.  (historical) A bell rung to signal danger or emergency.
  2. Noun.  A bell which is rung to indicate a pre-arranged time, especially to mark a desired moment for waking up, performing a specific action etc.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.