or, with the article, Al-Korân [the Reading]. The religious, social, civil, commercial, military, and legal code of Islam. It is rather remarkable that we call our Bible the writing (Scripture), but the Arabs call their Bible the reading (Korán). We are told to believe that portions of this book were communicated to the prophet at Mecca and Medina by the angel Gabriel, with the sound of bells.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894
More on Koran from Fact Monster: