EnglishMain Dictionary
dictionary
Universal Words
noun (plural dictionaries)
1 a book that gives a list of the words of a language in alphabetical order and explains what they mean, or gives a word for them in a foreign language:
a Spanish-English dictionary
2 a book that explains the words that are used in a particular subject:
a dictionary of mathematics
3 a list of words in electronic form, for example stored in a computer's SPELLCHECKER