A strait is a narrow, navigable channel of water that connects two larger navigable bodies of water.
Straits of Dover—-separates England and France
Strait of Hormuz–Separates Persian Gulf and Oman sea
Strait of Malacca–Separates Malaysia and Sumatra, Indonesia
Cook strait—separates the North And South Islands of New Zealand
Strait of Gibraktar—Separates Atlantic Ocean and Meditteranian sea
Bass strait–Separates Australia and Tasmania
Strait of Bosphorous–Separates Meditteranian sea and Black sea
Bering Strait— Separates Alaska and Siberia