Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

Biology Online, information in the life sciences in the form of tutorials, references and an online dictionary of biology terms.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights a...

The Free Online English Dictionary from Macmillan Publishers.

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictiona...

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear...

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sit...

Explore facts about animals, wildlife, and habitats. Read about the adaptations and behavior of animals and stay up to date on research news pertainin...

The authoritative Collins dictionaries now available online. Search amongst hundreds of thousands of words and expressions in Spanish, French, German,...

symptom checker allowing research of the causes of one or many symptoms in an extensive knowledge base, including common and rare causes.

Encyclopedia.com – Online dictionary and encyclopedia with pictures, facts, and videos. Get information and homework help with millions of articles ...

YourDictionary is a free online dictionary that offers definition search from Webster's dictionary for word meanings and thesaurus. Use this dictionar...