<p><strong>adjective</strong></p><ul><li>Calm; peaceful; tranquil; halcyon weather.</li><li>Synonyms: well-to-do, well-off, moneyed, rich, roaring, palmy, flourishing, joyous, joyful, golden, contented, windless, temperate, stormless, pleasant, mild, balmy, unruffled, still, serene, quiet, placid, pacific.</li><li>Happy; blissful; carefree; halcyon days of youth.</li><li>Prosperous; wealthy; halcyon times of peace.</li><li>Of or relating to the halcyon or kingfisher.</li></ul><p><strong>noun</strong></p><ul><li>A mythical bird, usually identified with the kingfisher, said to breed about the time of the winter solstice in a nest floating on the sea, and to have the power of charming winds and waves into calmness.</li><li>Any of various kingfishers, especially of the genus Halcyon.</li><li>Halcyon, Classical Mythology: Alcyone.</li></ul>