Question

a large water body with a narrow mouth is called ______​

Answer 1

A large water body with a narrow mouth is called Gulf.

More information about the gulf:

• A gulf is a huge body of water that is almost fully enclosed by land, sometimes with a tiny mouth.

• A gulf is a large entry from the ocean into the continent, usually having a narrower opening than a bay, although not always. The term gulf refers to vast, heavily indented navigable bodies of saline water that are surrounded by the shoreline.