Ｋ

What does Ｋ mean in English?

1. K; k(n)
2. kilo-(n)
3. kelvin(n)
4. karat (measure of purity of gold); carat(n)
5. potassium (K)(n)
6. king (playing card rank)(n)
7. key (color); black(n)
8. Köchel (catalogue of Mozart's music)(n)
9. kitchen(n)