Madd Lazim is a term used in the context of Arabic grammar, specifically referring to a type of elongation or stretching of a vowel sound. It occurs when a letter, known as a madd letter, is followed by a vowel, allowing the sound to be prolonged. This elongation is essential for proper pronunciation and meaning in Arabic words. In Tajweed, the rules of reciting the Quran, understanding Madd Lazim is crucial for correct recitation. It helps maintain the rhythm and clarity of the verses, ensuring that the message is conveyed accurately. Proper application of this rule enhances the beauty of Quranic recitation.