from The American Heritage® Dictionary of the English Language, 4th Edition
- The countries and regions of eastern and southeast Asia, especially China, Japan, North Korea, South Korea, and Mongolia.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. East Asia (Korea, Japan, China, and the Russian Far East) and Southeast Asia, taken as a whole.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a popular expression for the countries of eastern Asia (usually including China and Mongolia and Taiwan and Japan and Korea and Indochina and eastern Siberia)
Sorry, no etymologies found.