from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Some unspecified hour in the early morning (implies an unpleasant time to be awake)
From military time, in which hours before 10:00 am are prefixed with a zero, read as "oh", as in 0530, oh five-thirty, for 5:30 am. (Wiktionary)
Sorry, no example sentences found.
Wordnik is becoming a not-for-profit! Read our announcement here.