noun . the Buddhism of Tibet and Mongolia, a Mahayana form including non-Buddhist Indian elements as well as elements of the preexisting Bön shamanism.
Lamaism: see Tibetan Buddhism Tibetan Buddhism, form of Buddhism prevailing in the Tibet region of China, Bhutan, the state of Sikkim in India, Mongolia, and parts of Siberia and ...
Buddhism of Tibet, Mongolia, and parts of Nepal and northern India; a form of Mahāyāna Buddhism. Buddhism was introduced into Tibet in AD 640, but the real founder of Tibetan ...