Nouns

(n)hour, hr, 60 minutesa period of time equal to 1/24th of a day“the job will take more than an hour”
(n)hour, time of dayclock time“the hour is getting late”
(n)houra special and memorable period“it was their finest hour”
(n)hour, minutedistance measured by the time taken to cover it“we live an hour from the airport”, “it's just 10 minutes away”