Freebase (0.00 / 0 votes) Rate this definition: Meta. Meta, is a prefix used in English to indicate a concept which is an abstraction from another concept, used to complete or add to the latter. The New Hacker's Dictionary (0.00 / 0 votes) Rate this definition:
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Lexis-Nexis was the first to launch its Web service, called Xchange (http://www.lexis.com) , opening its virtual doors for business on Dec. 8. West followed with a March 26 unveiling of its service, westlaw.com (http://www.westlaw.com).Both offer legal databases unrivaled on the Web for their breadth and integrity.till required by both is a subscription, with prices mirroring those for traditional Westlaw and Lexis-Nexis access. Current subscribers can continue to use existing accounts. Both services offer special pricing for sole practitioners and small firms.