Definition of Dictionary

a book that lists words and their meanings

Examples of Dictionary in a sentence

The teacher urged the students to use the dictionary to look up any words that they didn’t know the meaning of.  

Although he thought he knew the definition of the word ‘trial,’ the ESL learner used a dictionary to check it’s meaning.  

Using the library’s dictionary, the college freshman looked up the pronunciation and meaning of several words he was confused about.  

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