كتبكِتَابٌ (same as عَقْدٌ) The ceremony (not certificate) of a marriage-contract.كَتَبُواكِتَابَهُ عَلَىفُلَانَةٍThey performed the ceremony of the contract of his marriage to such a woman (same as عقدوا عَقْدَهُ). b2:  أَهْلُ الكِتَابِ: see أَهْلٌ.