It's possible that you're thinking of a similar word, or there might be a typo.
Could you please provide more context or clarify what you meant by "reat"?
For example:
* Did you mean "reat" as part of a larger phrase?
* Is it a word from a specific language or dialect?
* Are you thinking of a specific concept or object?
Once I understand what you are looking for, I can help you find the meaning.