What does khail mean?

"Khail" is not a recognized word in standard English or most major languages. It's possible that:

* It's a misspelling. Check if you meant a similar word like "hail," "kale," or "Khalil."

* It's a slang term or regional dialect word. If you heard it in a specific context, providing more details could help determine its meaning.

* It's a name. "Khail" could be a person's name.

To get a more precise answer, please provide more context.