A Bay is a wide-mouthed body of water close to the shore.
Step-by-step explanation:
A bay directly connects to a larger or main body of water such as rivers, lakes, sea, oceans, etc. These bays also have unique marine geology and ecosystem. Bays are usually formed when two tectonic plates collide. It can also be formed through coastal erosion of glaciers and rivers.
Bays are a significant location for human settlement, tourism activities, agriculture, irrigation, fishing, etc. and people have been settling on the shorelines of the bay since ages.