[ dahy-uh-ree ]
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noun,plural di·a·ries.
  1. a daily record, usually private, especially of the writer's own experiences, observations, feelings, attitudes, etc.

  2. a book for keeping such a record.

  1. 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

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British Dictionary definitions for diary


/ (ˈdaɪərɪ) /

nounplural -ries
  1. a personal record of daily events, appointments, observations, etc

  2. a book for keeping such a record

Origin of diary

C16: from Latin diārium daily allocation of food or money, journal, from diēs day

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012