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Word of the Day
Wednesday, March 15, 2000

Definitions for ides

  1. (used with a singular or plural verb) (in the ancient Roman calendar) the fifteenth day of March, May, July, or October, and the thirteenth day of the other months.

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Citations for ides
Each month had three reference dates: the Calends, Nones, and Ides. … In March, May, July, and October, the Nones fell on the 7th day and the Ides on the 15th. Richard Stephenson, "Astronomy in the monasteries," New Scientist, April 19, 1984
Soothsayer: "Beware the ides of March." Caesar: "He is a dreamer; let us leave him. Pass." William Shakespeare, Julius Caesar, 1623
Origin of ides
Ides stems from the Latin word īdūs, and has been used in English to refer to dates since the time that Old English was spoken.