[ʌɪdz], (Noun)

Definitions:
- (in the ancient Roman calendar) a day falling roughly in the middle of each month (the 15th day of March, May, July, and October, and the 13th of other months) from which other dates were calculated


Phrases:

Origin:
late Old English idus, from Latin idus (plural), of unknown origin; subsequently reinforced by Old French ides