DIURNAL
diurnal
Noun
- A flower that opens only in the day.
- A book containing canonical offices performed during the day, hence not matins.
- A diary or journal.
- A daily news publication.
Adjective
- Happening or occurring during daylight, or primarily active during that time.
- Most birds are diurnal.
- Said of a flower open, or releasing its perfume during daylight hours, but not at night.
- Having a daily cycle that is completed every 24 hours, usually referring to tasks, processes, tides, or sunrise to sunset.
- Done once every day; daily, quotidian.
- Published daily.
The above text is a snippet from Wiktionary: diurnal
and as such is available under the Creative Commons Attribution/Share-Alike License.