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English definition of “hour”

hour

noun [C]  /ɑʊər/ (abbreviation hr.) us  
a period of 60 minutes: Take this an hour after eating. It’s open 24 hours a day. He works long hours (= starts work early and finishes late). He gets paid by the hour (= for each hour worked). Buses pull out every hour on the hour (= at the time an hour begins). An hour can be a period of time, not necessarily 60 minutes, when you do something: a lunch hour An hour can be the distance you can travel in 60 minutes: San Francisco is only a couple of hours away.
(Definition of hour from the Cambridge Academic Content Dictionary © Cambridge University Press)
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