An illustration of a Norse Galley. Norse is an adjective relating things to Norway, Denmark, Faroe Islands, Greenland, Iceland and Sweden. A galley is an ancient ship which can be propelled entirely by human oarsmen, used for warfare and trade. Oars are known from at least the time of the Egyptian Old Kingdom. Many galleys had masts and sails for use when the winds were favorable.
William Swinton Outlines of the Worlds History, Ancient Mediabal and Mondern, with special relation to the history of civilization and the progress of mankind (New York, NY: Ivison, Blakeman and Company, 1874)