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English definition of “diary”

diary

noun [C]     /ˈdaɪəri/
MEETINGS A2 a book containing spaces for all the days and months of the year, in which you write meetings and other things that you must remember: According to my diary, I've got two meetings on Monday.Schedules and agendasLists and cataloguesKinds of books
THOUGHTS A2 a book in which you write each day about your personal thoughts and experiences: She kept a diary of her trip to Egypt.Pieces of writingKinds of books
(Definition of diary noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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