Definitions
1.nounA time period of sixty minutes; one twenty-fourth of a day."I spent an hour at lunch."
2.nounA season, moment, or time.
3.nounThe time."The hour grows late and I must go home."
4.noun(in the plural) Used after a two-digit hour and a two-digit minute to indicate time.
5.noun(in the plural) The set times of prayer, the canonical hours, the offices or services prescribed for these, or a book containing them.
6.nounA distance that can be traveled in one hour."This place is an hour away from where I live."