Dictionary does not consist of the words and phrases not used in English language.
Explanation:
Dictionary is a book which consists in it the list of the words of a particular language in the chronological order. This book tells the meaning of the words along with their pronunciation and mostly how it is used. But it only consists of the words which are a part of the language.
The words and the signs and symbols which are not used in English can not be found in the dictionary.