dictionary
nounUK /ˈdɪkʃənəri/
US /ˈdɪkʃəneri/
A book that tells you what words mean.
I looked up the new word in my dictionary.
RELATED WORDS
OTHER MEANINGS
2. A book that lists words in one language with their meanings in another language.
She used a French-English dictionary to translate the letter.
3. A collection of information about a subject, arranged in alphabetical order.
The doctor checked a medical dictionary for the term.
4. A feature in a computer or phone that stores and explains words.
He tapped the dictionary app to find the spelling.
5. The set of words used by a person or in a field of study.
The scientist's dictionary was full of technical terms.