Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun idiomatic Some unspecified
hour in the early morning (implies an unpleasant time to beawake )
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
From military time, in which hours before 10:00 am are prefixed with a zero, read as "oh", and 00 minutes is read as "hundred", as in oh five-hundred for 5:00 am.
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Examples
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