1. Mouth of a River: This is the most common meaning. It refers to the point where a river empties into a larger body of water like an ocean, lake, or another river.
2. Mouth of a Cave: This refers to the opening or entrance of a cave.
3. Mouth of a Volcano: This is the opening at the top of a volcano, through which lava, ash, and gases erupt.
So, to understand the meaning of "mouth" in geography, you need to consider the context in which it is used.
