* A misspelling: Perhaps you meant "clave," which refers to a musical instrument used in Latin American music, particularly salsa and Latin jazz.
* A foreign word: "Klave" might be a word from another language. If you can provide more context (like the language or the situation where you encountered the word), I might be able to help you understand its meaning.
Could you please provide more information about where you came across the word "klave"?