Definitions for "Buddha-nature"
(Sanskrit buddhata; Japanese bussho). In Mahayana Buddhism, the true nature of all appearances and all beings. To truly realize one's participation in the buddha-nature is to attain enlightenment.
The nature innate in every sentient being. The potential for attaining Buddhahood.
that which all sentient beings share and manifest through their particular form; according to Zen, the Buddha said that all things have Buddha-nature and therefore have the innate potential to become Buddha.
Keywords:  innermost, aware, pure, self, exists
The innermost pure self; exists within whether one is aware of it or not.