bhikkhu

n. Buddhist monk

A Bhikkhu (Pāli) or Bhiksu (Sanskrit) is a fully ordained male Buddhist monastic. Female monastics are called Bhikkhunis. Bhikkhus and Bhikkhunis keep many precepts: they live by the vinaya's framework of monastic discipline, the basic rules of which are called the patimokkha. Their lifestyle is shaped so as to support their spiritual practice, to live a simple and meditative life, and attain Nirvana.
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Bhikkhu (Pali) [cf Sanskrit bhikshu] In Buddhism, a mendicant or monk, especially one who has donned the yellow robe and carries the begging bowl.

A Buddhist monk, a Buddhist nun.