A gulf is a large inlet from the ocean into the landmass, typically with a narrower opening than a bay; though this is not observable in all geographic areas so named. The term gulf was traditionally used for large, highly indented, navigable bodies of salt water which are enclosed by the coastline. The list of gulfs includes major shipping areas such as Persian Gulf, Gulf of Mexico, and Gulf of Aden.
- A Dictionary of Arts and Sciences - Volume 2 George Gregory - 1816 - sea is a smaller collection of waters; as the Black Sea. A gulf is a part of the sea which is nearly surrounded with land; as the gulf of Venice. A bay has a wider entrance than a gulf; as the Bay of Biscay. A strait is a narrow passage that joins ."
- Gita Duggal & Baruna Ray Chowdhury - Madhubun ICSE Geography 932599464X – 6 - Page 32 "A gulf is an inlet of an ocean or a sea deep into the land with a narrow mouth. It is more highly indented, more enclosed by the coast and larger than a bay. Some examples of gulfs are Persian Gulf, Gulf of Mexico, Gulf of Eden and Gulf of ..."
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