1. Fire: This is the most common meaning of "kasai" in Japanese.
2. Kasai District: This is a district in Hyogo Prefecture, Japan.
3. Specific Names: "Kasai" can also be a surname or given name in Japan.
4. Other: There might be other less common meanings depending on the specific context, such as a brand name or a specific term in a particular field.
To understand the meaning of "kasai" accurately, you need more information about the context in which it is used.