Bedeutung von “hour” im Essential American English Dictionary

hour

noun us /ɑʊər/

A1 a period of time equal to 60 minutes:

It’s a six-hour flight.

the period of time when a particular activity happens or when a store, business, etc. is open:

working hours
Our opening hours are from 8 to 6.
hours informal

B1 a long time:

I spent hours doing my homework.
the hour

the point when a new hour begins:

My watch beeps on the hour.

(Definition von “hour” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)