Sleipnir "Þorgrímsþula": "Hrafn and Sleipnir, splendid horses [...]". In addition, Sleipnir occurs twice in kennings for "ship" (once appearing in chapter 25 in a work by the skald Refr, and "sea-Sleipnir" appearing in chapter 49 in "Húsdrápa", a work by the 10th century skald Úlfr Uggason). In "Hervarar saga ok Heiðreks", the poem "Heiðreks gátur" contains a riddle that mentions Sleipnir and Odin: In chapter 13 of "Völsunga saga", the hero Sigurðr is on his way to a wood and he meets a long-bearded old man he had never seen before. Sigurd tells the old man that he is going to
White horse (mythology) As part of its legendary dimension, the white horse in myth may be depicted with seven heads (Uchaishravas) or eight feet (Sleipnir), sometimes in groups or singly. There are also white horses which are divinatory, who prophesy or warn of danger. As a rare or distinguished symbol, a white horse typically bears the hero- or god-figure in ceremonial roles or in triumph over negative forces. Herodotus reported that white horses were held as sacred animals in the Achaemenid court of Xerxes the Great (ruled 486–465 BC), while in other traditions the reverse happens when it was sacrificed to the gods.