1.
peninsula of northeastern Egypt bounded on the east by the Gulf of Aqaba, on the north by the Mediterranean Sea, and on the west by the Gulf of Suez. A sparsely populated wilderness, it has long been the land bridge between Africa and Asia.
2.
mountain in northeastern Egypt on the south central Sinai Peninsula, about 2,888 m (7,500 ft) high. According to the Bible, it is the place where Moses received the Ten Commandments.