📒 a device that makes a long loud sound as a signal or warning
📒 (in ancient Greek stories) any of a group of sea creatures that were part woman and part bird, or part woman and part fish, whose beautiful singing made sailors sail towards them into rocks or dangerous waters
📒 a woman who is thought to be very attractive or beautiful but also dangerous
📒 a temptation to do something that seems very attractive but that will have bad results