the lowest floor of a building, typically below ground level.

a space in the ground used for storage, often in reference to water flow.

जल प्रवाह

English Usage: The basement flow was diverted to prevent flooding during the rains.

Hindi Usage: बारिश के दौरान बाढ़ से बचने के लिए जल प्रवाह को मोड़ा गया।