Hr

1. A time period of sixty minutes; one twenty-fourth of a day.

   I spent an hour at lunch.

2. A season, moment, or time.
3. The time.

   The hour grows late and I must go home.

4. (in the plural) Used after a two-digit hour and a two-digit minute to indicate time.
5. (in the plural) The set times of prayer, the canonical hours, the offices or services prescribed for these, or a book containing them.
6. A distance that can be traveled in one hour.

   This place is an hour away from where I live.

noun

Initialism of horizontal rule.