Found 2 items, similar to HR.
English → English (WordNet) Definition: hr hr n : a period of time equal to 1/24th of a day; “the job will take more than an hour” [syn: hour, 60 minutes]
English → English (gcide) Definition: hr hr \hr\ n. [abbreviation] An abbreviation for hour, the period of time equal to 1/24th of a day. Syn: hour, 60 minutes. [WordNet 1.5]