[nuhn] 
| 1. | a woman member of a religious order, esp. one bound by vows of poverty, chastity, and obedience. |
| 2. | any of various birds, esp. a domestic variety of pigeon. |
A female member of a religious order, living in a convent, whose work is confined to the convent. The term is also applied broadly to other female members of religious orders (“sisters”) who often live outside their convents and work as teachers, nurses, social workers, or administrators.