* A misspelling: It's possible you meant another word, such as "kawa" or "kaiwa".
* A regional dialect word: It could be a word specific to a particular region or language. If you can provide more context, like where you heard the word, I might be able to help.
* A made-up word: It's possible it's a fictional term or slang.
Please provide more context so I can help you find the meaning of "kaiawa".