What information do all dictionaries provided to each entry?

A. Definitions

B. Language origin

C. History of the word

D. Synonyms

Answer: A. Definitions

Dictionaries are one of the general references found in libraries wherein you don't have to read it from cover to cover. All you have to do is to scan on specific words you are looking for. All the dictionaries provide definitions however, not all of them gives the language origin, history of the word and even synonyms.