(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, Syn. Hondo
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
prop. n. [ Jap. ] the main island of Japan. Together with the islands of Hokkaido, Kyushu and Shikoku it forms the bulk of the land area of Japan. [ WordNet 1.5 ]
[ないち, naichi] (n) (1) (sens) within the borders of a country; domestic soil; (2) inland area; (3) (during the WWII era) Japan proper, as opposed to its overseas colonies; interior of country; homeland; (4) (in Hokkaido and Okinawa) the "mainland" parts of Japan (Kyushu, Shikoku, Honshu)#16236
[さんいんちほう, san'inchihou] (n) San-in region of western Honshu (inc. Tottori, Shimane, northern Yamaguchi and sometimes northern Hyogo and Kyoto prefectures)