noun, plural di·a·ries.
a daily record, usually private, especially of the writer's own experiences, observations, feelings, attitudes, etc.
a book for keeping such a record.
a book or pad containing pages marked and arranged in calendar order, in which to note appointments and the like.
Origin of diary
1575–85; < Latin diārium daily allowance, journal, equivalent to di(ēs) day + -ārium -ary
Synonyms for diary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
noun plural -ries
a personal record of daily events, appointments, observations, etc
a book for keeping such a record
Word Origin for diary
C16: from Latin diārium daily allocation of food or money, journal, from diēs day
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