halal: (Islam) meat from animals that have been slaughtered in the prescribed way according to the shariah
meat: the flesh of animals (including fishes and birds and snails) used as food
id al-adha: 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