Dictionary

n.	1.	A book containing the words of a language, arranged alphabetically, with explanations of their meanings; a lexicon; a vocabulary; a wordbook. I applied myself to the perusal of our writers; and noting whatever might be of use to ascertain or illustrate any word or phrase, accumulated in time the materials of a dictionary. - Johnson.
	2.	Hence, a book containing the words belonging to any system or province of knowledge, arranged alphabetically; as, a dictionary of medicine or of botany; a biographical dictionary.

Noun

1.

dictionary - a reference book containing an alphabetical list of words with information about them Synonyms: lexicon

To dream that you are using a dictionary, signifies that you rely too much on the opinions of others in the management of your own affairs.biographical dictionary, cant, chemical dictionary, desk dictionary, dialect dictionary, dictionary of quotations, electronics dictionary, etymological dictionary, foreign-language dictionary, gazetteer, general dictionary, geological dictionary, gloss, glossary, gradus, jargon, language, lexicon, nomenclator, onomasticon, palaver, phrase book, polyglot dictionary, promptorium, rhyming dictionary, science dictionary, slang dictionary, specialized dictionary, synonym dictionary, synonymy, terminology, thesaurus, treasury of words, unabridged dictionary, vocabulary, word list, wordbook