Clear and simple definitions in American English from Britannica's language experts. More usage examples than any other dictionary.

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: a reference book that contains words listed in alphabetical order and that gives information about the words' meanings, forms, pronunciations, etc.

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Dictionary, reference book that lists words in order—usually, for Western languages, alphabetical—and gives their meanings. In addition to its basic ...

The Oxford English Dictionary · Major dictionaries · Merriam-Webster

a : an explanation of the meaning of a word, phrase, etc. : a statement that defines a word, phrase, etc. dictionary definitions.

dictionary, Reference work that lists words, usually in alphabetical order, and gives their meanings and often other information such as pronunciations, ...

INFORMATION meaning: 1 : knowledge that you get about someone or something facts or details about a subject; 2 : a service that telephone users can call to ...