Tiran noun3 •Ellipsis of Tiran Strait: a strait in the Red Sea, Asia, between this island and the Sinai. •Ellipsis of Straits of Tiran: a straits in the Red Sea, Asia, between the Sinai Peninsula and Arabian Peninsula, containing this island, which separates the Gulf of Aqaba and the main body of the Red Sea. •Ellipsis of Tiran Island: an island formerly of Egypt, since 2017 of Saudi Arabia, located between the southern end of the Sinai Peninsula and Arabian Peninsula.