Ides
A Dictionary of Law · Henry Campbell Black · 1891
A Dictionary of Law
A division of time among the Romans. In March, May, July, and October, the Ides were on the 15th of the month; in the remaining months, on the 13th. This method of reckoning is still retained in the chancery of Kome, aud in the calendar of the breviary.
Wharton.