Meridiem
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Midday, noon. rare, uncountable
"Quantities and frequencies are distributed as follows (neglecting the meridiem hour):[…]"
- 2 The property of a timestamp of being either a.m. or p.m. countable
"The terminal responds N HH MM CR where N, HH, and MM are the meridiem, hour, and minutes, as above."
Synonyms
All synonymsExample
More examples"Quantities and frequencies are distributed as follows (neglecting the meridiem hour):[…]"
Etymology
Back-formation from the phrases ante meridiem and post meridiem (more commonly a.m. and p.m.), from Latin merīdiem, accusative of merīdiēs (“midday, noon”).