hr n 1: a period of time equal to 1/24th of a day; "the job will take more than an hour" [syn: {hour}, {hr}, {60 minutes}]
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] HSV-1 HS1
hr <networking> The {country code} for Croatia. (1999-01-27)