from The American Heritage® Dictionary of the English Language, 4th Edition
- The largest island of Japan, in the central part of the country between the Sea of Japan and the Pacific Ocean.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. The main island of the Japanese Archipelago.
from the GNU version of the Collaborative International Dictionary of English
- proper n. the main island of Japan. Together with the islands of Hokkaido, Kyushu and Shikoku it forms the bulk of the land area of Japan.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- 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
From Japanese 本州 (honshū, "main island"). (Wiktionary)