Ka'bah: A cube-shaped building re-built by Prophets Ibrahim and Ismail (peace be upon
them), the first house built for the worship of Allah. Situated in Makkah, the direction
all Muslims face when praying .
Kaafir: A non believer.
Kayl: A measure.
Kharraaj: Land tax.
Khilaal: Passing wet fingers through a beard ,for example, while making wudhu.
Khitbah: Marriage proposal.
Khutbah: The sermon.
Kitaab: Book. It is also referred to as any Heavenly Book including the Holy Quran.
Kufffaar: Non believers.
Kunyah:: A type of surname or proper name common in Arabic which means father of so and so or mother
Copied from 'THE ISLAMIC SCHOLAR'