from The American Heritage® Dictionary of the English Language, 4th Edition
- An island of southern Japan between southwest Honshu and eastern Kyushu. It was held by various feudal families from early times until c. 1600.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. The fourth largest of Japan's islands.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the smallest of the four main islands of Japan; to the south of Honshu and to the east of Kyushu; separated from Honshu by the Inland Sea; forested and mountainous
From 四国 (しこく, Shikoku, "four provinces"). (Wiktionary)