Meridiem

Quantities and frequencies are distributed as follows (neglecting the meridiem hour):[…]

Source: wiktionary

The same female number 1 introduced inside the ice-box at 9 a.m., to 9:15 was in lethargy, pick up and put it inside the stove to 350 degrees, to 12 meridiem, was in excellent conditions.

Source: wiktionary

I wrote that the habit of schedulers in the railroad business of skipping the meridiem (they go from 11:59 a.m. to 12:01 p.m. in a split second) “. . . begs the question of what to designate the mass transit of the meridiem.”

Source: wiktionary

But when the sky had brightened for the meridiem—the two to three hours of dull yet hazardous sunlight that filtered through the thick cloud cover each planetary rotation—she’d had to retire underground, losing time.

Source: wiktionary