'Feast of Sacrifice' definitions:

Definition of 'Feast of Sacrifice'

(from WordNet)
noun
The 10th day of Dhu'l-Hijja; all Muslims attend a service in the mosques and those who are not pilgrims perform a ritual slaughter of a sheep (commemorating God's ransom of Abraham's son from sacrifice) and give at least a third of the meat to charity [syn: Id al-Adha, Feast of Sacrifice]