Usages of vigilia
Prima vigilia milites vallum iterum muniunt et aquam e fossa tollunt.
At the first watch the soldiers fortify the rampart again and remove water from the ditch.
Nocte tranquilla tertia vigilia pauci adhuc in turri manent, ceteri autem dormiunt.
On a calm night, during the third watch, a few still remain in the tower, but the rest sleep.
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