Halcyon

1. noun

   a mythical bird said to breed at the time of the winter solstice in a nest floating on the sea and to have the power of calming the winds and waves

2. noun

   a large kingfisher widely distributed in warmer parts of the Old World

   Similar: genus halcyon

3. adjective

   idyllically calm and peaceful; suggesting happy tranquillity

   “a halcyon atmosphere”

4. noun

   (Greek mythology) a woman who was turned into a kingfisher

   Similar: alcyone