DictionarydictionaryWord reference
noun

dictionary

DIK-shuh-nair-ee/ˈdɪkʃəneri/

A reference that associates listed words with their meanings.

This dictionary lists words alphabetically and explains what each one means.

An open, substantial reference book with alphabetical thumb tabs and two short alphabetical entries showing headwords, pronunciations, and meanings.
Etymology

The base meant a saying or expression, later a word. The name probably originated as a shortened expression for a “book of words,” connecting individual expressions with a collected reference work.

In context

AmericanLibraryParis25:03
the first dictionary is 1604
Peter Sokolowski on Nobles, Yeomen, and How French Brought ‘Class’ to English

More examples

  • I check the dictionary whenever I find an unfamiliar word.
  • Some dictionaries show several ways to pronounce the same word.
  • The program stores each word and its meaning in a dictionary.

Forms

dictionary · dictionaries

Similar words

glossary
Explains specialized terms within a particular subject or work.
lexicon
Can also mean a language's vocabulary, not just a reference work.