Noun sinai has 3 senses
- Sinai, Mount Sinai - a mountain peak in the southern Sinai Peninsula (7,500 feet high); it is believed to be the peak on which Moses received the Ten Commandments
--1 is a kind of mountain peak
--1 is a part of Sinai, Sinai Peninsula
- Sinai, Sinai Desert - a desert on the Sinai Peninsula in northeastern Egypt
--2 is a kind of desert
--2 is a part of Sinai, Sinai Peninsula
- Sinai, Sinai Peninsula - a peninsula in northeastern Egypt; at north end of Red Sea
--3 is a kind of peninsula
--3 is a part of Egypt, Arab Republic of Egypt, United Arab Republic
--3 has parts: Sinai, Sinai Desert; Sinai, Mount Sinai
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