LA ILAHA ILLA’LLAH: There is no deity except Allah. This sentence is called Al-kalimatul Tayibah.
LABBAIK LABBAIK ALLAHUMMA LABBAIK: The opening words of the Talbiyah, meaning, "I am totally at Your service; I am totally at Your service; O Allah , I am totally at Your service."
LADHA: The fifth level of Nar (Hellfire). This will be the home of the Jews. See Jahannam.
LAIL (AL): "The Night". Surah 92 of the Holy Qur’an.
LAILATUL-QADR (AL): The ‘Night of Power’ concealed in one of the odd nights in the last ten days of Ramadan; the night on which the Qur’an was first revealed by Jibreel to the Prophet Muhammad, may Allah bless him and grant him peace, and which the Qur’an itself describes as "better than a thousand months" (Holy Qur’an, Al-Qadr (97:3).
LAMAS: A sale based on the buyer touching the goods without having the chance of actually seeing them.
LAMLAM: A Valley in Jahannam (Hellfire).
LAT (AL): A famous goddess in the Hijaz who used to be worshipped by the pagan Arabs in the pre-Islamic period of ignorance. See Holy Qur’an, An-Najm (53):19.
LATEEF: "Al-Lateef". The Subtle One Who is All-Pervading. One of the ninety-nine Attributes of Allah. The exact meaning of this word is very difficult to fully understand. It includes all of the following meanings (and more that we are not aware of): 1). So fine that He is imperceptible to the human sight. 2). So pure that He is unimaginable to the human mind. 3). So kind that He is beyond human comprehension. 4). So gracious that He is beyond human grasp. 5). So near that He is closer to us than our jugular veins. See Holy Qur’an, Al-Hajj (22):63. Ash-Shura (42):19.
LAUH AL-MAHFUDH: A guarded tablet in the Seventh Heaven. the Holy Qur’an was first written on the Lauh al-Mahfudh in its entirety before it was sent down to the Baitul ‘Izza in the first Heaven.
LI’AAN: An oath taken by both the husband and the wife, when the husband accuses his wife of adultery and she denies it. A couple who make Li’an are automatically and irrevocably divorced and can never remarry. See Holy Qur’an, An-Nur (24):6-9.
LIZMAAN (AL): Settlement of affairs. In certain Ahadeeth it refers to the Battle of Badr, because it settled the affairs between the Muslims and the Kuffar (Unbelievers).
LOOT, PEACE BE ON HIM: "Lot". A prophet of Islam. Nephew of the Prophet Ibrahim (Abraham), peace be on them. The Prophet Loot’s wife was destroyed, along with people whom he called to worship Allah, for their wickedness. They were the first people to pratice homosexuality and lesbianism. See Holy Qur’an, Houd (11):18, ASh-Shu’ara (26):160-175.
LUAILY MASNU’AH: Name of a book containing fabricated Ahadeeth.
LUQATA: Article found by a person other than the one who lost it.
LUQMAN: "Luqman". Name of a wise sage of ancient Arabia. Some say he was a prophet. He has the title of Mu’ammar (the long lived one). Surah 31 of the Holy Qur’an.