We propose a Web search site called "Cyclone", in which a user can retrieve encyclopedic term descriptions on the Web. Cyclone searches the Web for headwords and page fragments describing the headwords. High-quality page fragments are selected as term descriptions and are classified into domains. The number of current headwords is over 700,000. Categories and Subject Descriptors H.3.3 [Information Storage and Retrieval]: Information Search and Retrieval; H.3.5 [Information Storage and Retrieval]: Online Information Services; I.2.7 [Artificial Intelligence]: Natural Language Processing General Terms Experimentation, Management Keywords Encyclopedias, Web Search, Extraction, Organization