Pronounced “goo-ROO grunt sah-EEB.” Holy book of the Sikh religion, considered the 11th and lasting guru. It is a compilation of the devotional poetry of Guru Nanak, other Sikh gurus, and saints of other religions. Sikhs consider it the supreme spiritual authority and living guide of the Sikh religion. It is installed under a canopy in every Sikh gurdwara (house of worship) where Sikhs sing, recite and meditate on the scripture. It is also called the Adi Granth.