Answer:
a collegiate dictionary
Step-by-step explanation:
The collegial dictionary is a book that has the explanation of the meanings of the words and their synonyms, but it is a dictionary smaller than the common dictionaries. The words are presented in alphabetical order.
The use of dictionary is very important for students and professionals in all areas. How impossible it is to know the meaning of all words, their synonyms and antonyms. The ideal is to consult the dictionary to gain vocabulary.