I. Si ‧ nai /ˈsaɪnaɪ/ BrE AmE
the part of northeast Egypt to the east of the Gulf of Suez and the Suez Canal
II. Sinai, Mount BrE AmE
a mountain in Sinai in northeast Egypt on which, according to the Old Testament of the Bible, ↑ Moses received the ↑ Ten Commandments from God