1. A period of time equal to 1/24th of a day
   "The meeting lasted 2 hr";
   - hour, 60 minutes

1. Administrative division responsible for employee matters such as hiring, training, and records
   "HR had received her application for leave";
   - personnel department, personnel office, personnel, staff office, human resources

Derived forms: hrs

Type of: department, section, time unit, unit of time

Part of: 24-hour interval, day, mean solar day, solar day, twenty-four hour period, twenty-four hours

Encyclopedia: Hr