|dēˌā]sˈfästəs noun
( plural dies fas·ti -ˌstē\)
Etymology: Latin, literally, court day
1. : a day on which Roman religious law permitted secular activities or an auspicious day for such activities
2. : any of the 40 days of each year on which the praetors under the Roman republic could exercise their general powers in holding court ; broadly : dies comitialis