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Definition of: dictionary
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(dik′shən·er′ē) noun plural ·ar·ies
1. A book containing the words of a language, or of a department of knowledge, arranged alphabetically, usually with their syllabication, pronunciation, definition, and etymology; lexicon; wordbook.
2. A similar work having definitions or equivalents in another language: a German-English dictionary. [<Med. L dictionarium a collection of words and phrases <dictio. See DICTION.]
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