which sort of wikipedia you are expecting brother! if you are asking about wikipedia of word, such as synonyms, antonyms history, first use and orgin, then here is link Dictionary.com | Find the Meanings and Definitions of Words at Dictionary.com
and if you want information in perspective of a subject then i will suggest you, to just simply search by google. moreover if you are searching for scientific terms then you can find scientific or medical dictionary just tell me if you need it.

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If your dream is to fly with eagles, then don,t waist your time in swimming with ducks.