| Main Entry: | ides of march |
| Part of Speech: | n |
| Definition: | March 15 on the Roman calendar, the date of Julius Caesar's assassination in 44 BC; also the eighth day after the nones in the ancient Roman calendar (the 15th day of March, May, July, October, the 13th of other months) |
March 15 in the ancient Roman calendar; the day in 44 b.c. on which Julius Caesar was assassinated.