* A misspelling of "chin guard" This is the most likely explanation. A chin guard is a protective piece of equipment worn on the chin, often used in sports like hockey or fencing.
* A regional or slang term It's possible that "chin gala" is a slang term in a specific region or community, but this would require more context to understand.
* A fictional term It could be a term invented for a specific work of fiction, like a book or movie.
To understand the meaning, you need more context.
For example, please tell me:
* Where did you hear or read this phrase?
* What was the context?
* What language was it used in?
With more information, I might be able to provide a more accurate answer.