- the tenth of the month of Muharram, an important fast day for Sunni Muslims.
- (among Shiʿite Muslims) the anniversary of the martyrdom of Hussein.
Origin of ʿAshuraʾ
From the Arabic word ʿĀshūrāʾ
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018