* A misspelling or variation of a different word: It's possible you meant a similar sounding word like "shale" (a type of rock), "shoal" (a group of fish), or "sheila" (an informal term for a girl in some English dialects).
* A name: It might be a name of a person, place, or thing, especially in a specific culture or language.
* A word in a specific language: "Shalai" could be a word in a language you are not familiar with.
To understand what "Shalai" means, you need more context:
* Where did you see or hear this word?
* What was the context of its usage?
* Is it part of a longer phrase or sentence?
With more information, I can try to help you find the meaning.