noun
hour
ow-uh
noun
1
A unit of time equal to sixty minutes, one twenty-fourth of a day.
"The flight takes just over an hour."
"We waited for nearly an hour before the doctor called us in."
2
A particular point in time, or a moment associated with something significant.
"This was her finest hour."
3
The current time of day.
"What hour is it?"
4
A period of time worked, especially as counted for pay.
"She clocked forty hours this week."
How to Use Hour
Learner’s notesIn plain EnglishSixty minutes — the standard unit for measuring a portion of the day, or (more loosely) a moment or period of time.
Common pairings
office hours
rush hour
at all hours
an hour's drive
Word Forms
hours plural
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The flight takes just over an _____.
Etymology
From Old French hore, from Latin hora, from Greek hṓra ("time, season"), ultimately from a Proto-Indo-European root related to "year." A doublet of "year."