Bhaiṣajyaguru, or Bhaishajyaguru, formally Bhaiṣajya-guru-vaiḍūrya-prabhā-rāja ("Medicine Master and King of Lapis Lazuli Light") is the Buddha of healing and medicine in Mahāyāna Buddhism. Commonly referred to as the "Medicine Buddha," he is described as a doctor who cures suffering (Pali/Sanskrit: dukkha/duḥkha) using the medicine of his teachings. Bhaisajya” means “curativeness” or “healing efficacy,” while “guru” means “teacher” or “master.” Thus, he’s the “master of healing.”