1786-1847. English naval explorer who took part in expeditions to Australia, the Arctic, and N Canada, and in 1845 commanded an expedition to look for the Northwest Passage from the Atlantic to the Pacific, during which he and his crew perished. The 1845 expedition had virtually found the Passage when it became trapped in the ice. No trace of the team was discovered until 1859. In 1984, two of its members, buried on King Edward Island, were found to be perfectly preserved in the frozen ground of their graves.