honshu hon shooh n the central and largest of the four main islands of Japan; between the Sea of Japan and the Pacific Ocean; regarded as the Japanese mainland Synonym(s) Honshu Hondo
News & Articles honshu Geography quiz: Tokyo is located on which island? Q: Tokyo is located on which island? A: The city is on Honshu, Japan’s largest island. July 21, 2013 - Seattle Times