Infer the meaning of the idiom given.
Raining cats and dogs
The idiom "raining cats and dogs" means to rain very heavily. It is a figurative expression and its origins are uncertain, but it is used to describe a heavy downpour of rain, or a severe rainstorm.
Complete the following task based on the instruction and optional input provided.### Instruction:
Infer the meaning of the idiom given.

### Input:
Raining cats and dogs

### Output:
The idiom "raining cats and dogs" means to rain very heavily. It is a figurative expression and its origins are uncertain, but it is used to describe a heavy downpour of rain, or a severe rainstorm.