Get the latest tech news
Wikipedia: Database Download
ffers free copies of all available content to interested users. These databases can be used for mirroring, personal use, informal backups, offline use or database queries (such as for Wikipedia:Maintenance).
Please don't try to circumvent it – we'll just block your whole IP range.If you want information on how to get our content more efficiently, we offer a variety of methods, including weekly database dumps which you can load into MySQL and crawl locally at any rate you find convenient. Offline Wikipedia database in EPWING dictionary format, which is common and an out-dated Japanese Industrial Standards(JIS) in Japan, can be read including thumbnail images and tables with some rendering limits, on any systems where a reader is available ( Boookends). There are many free and commercial readers for Windows (including Mobile), Mac OS X, iOS (iPhone, iPad), Android, Unix-Linux-BSD, DOS, and Java-based browser applications ( EPWING Viewers).
Or read this on Hacker News