1. A period of time assigned for work
   "they work long hours"
    
2. An indefinite period of time
   "they talked for hours"

1. A period of time equal to 1/24th of a day
   "the job will take more than an hour";
   - hr, 60 minutes
    
2. Clock time
   "the hour is getting late";
   - time of day
    
3. A special and memorable period
   "it was their finest hour"
    
4. Distance measured by the time taken to cover it
   "we live an hour from the airport";
   - minute

Sounds like: hour, ours

Type of: clock time, distance, period, period of time, time, time period, time span, time unit, unit of time, work time

Part of: 24-hour interval, day, mean solar day, solar day, twenty-four hour period, twenty-four hours

Encyclopedia: Hours, Pyrénées-Atlantiques