Mahavihara

The Mahavihara (Pali for "Great Monastery") was an important monastery for Theravada Buddhism in Sri Lanka. It was founded by king Devanampiya Tissa (247–207 BCE) in his capital Anuradhapura. The Mahavihara was the place where the Mahavihara orthodoxy was established by monks such as Buddhaghosa. The monks living at the Mahavihara were referred to as Mahaviharavasins.

Read more about Mahavihara:  Etymology