diurnal

  1. Adjective.  Happening or occurring during daylight, or primarily active during that time.
  2. Adjective.  (botany) Said of a flower open, or releasing its perfume during daylight hours, but not at night.
  3. Adjective.  Having a daily cycle that is completed every 24 hours, usually referring to tasks, processes, tides, or sunrise to sunset.
  4. Adjective.  (uncommon) Done once every day; daily, quotidian.
  5. Adjective.  (archaic) Published daily.
  6. Noun.  A flower that opens only in the day.
  7. Noun.  (context, Catholicism) A book containing canonical offices performed during the day, hence not matins.
  8. Noun.  (archaic) A diary or journal.
  9. Noun.  (archaic) A daily news publication.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.