A&E Biographical Dictionary http://www.biography.com
Artcyclopedia http://www.artcyclopedia.com
Biographical Dictionary http://www.s9.com:80/biography/
English Homophone Dictionary http://www.earlham.edu/~peters/writing/homofone.htm
Life Science Dictionary http://biotech.icmb.utexas.edu/pages/dictionary.html
SciCentral http://www.scicentral.com
The Weather Channel http://www.weather.com
Weather Glossary http://www.weatherlabs.com
Internet/Computer Terms http://www.whatis.com
Ask ERIC http://ericir.syr.edu/
The Human Languages Page http://www.june29.com/HLP
MapQuest http://www.mapquest.com
Internet Public LIbrary Youth Division http://www.ipl.org/youth
Roget's Thesaurus http://www.thesaurus.com