höfðuvöðva
Höfðuvöðva, also known as the "head of the wave," is a term used in Icelandic folklore and mythology to describe a phenomenon where a large wave appears to have a human head at its crest. This phenomenon is often attributed to the spirits of the sea or the gods, and is seen as a sign of good or bad fortune depending on the context. In some stories, höfðuvöðva is said to be the head of a giant who has been thrown into the sea, while in others, it is the head of a sea monster or a mythical creature. The appearance of a höfðuvöðva is often accompanied by a strong wind and rough seas, and is considered a dangerous and unpredictable event by sailors. Despite its fearsome reputation, the höfðuvöðva remains an important part of Icelandic culture and folklore, and is often depicted in art and literature as a symbol of the power and mystery of the natural world.