Halcyon, hal'si-on, an old and poetical name of the kingfisher. There was a tradition among sailors that the halcyon laid its eggs in nests floating on the sea about the time of the winter solstice. In order that its nest might ride safely the bird was reputed to have the power of charming the wind and waves during this period. The calm weather usually found at this season was attributed, therefore, to the halcyon, whence the name. Even on land, pleasant mid-winter weather came to be known as halcyon days. It seems strange that the legend should not have attached itself to some gull, petrel, or albatross, rather than to the shore-loving kingfisher. See KINGFISHER; CEYX.