(nn, nn) noun
The fourteenth Hebrew letter.

(nun) noun
1. A woman devoted to a religious life, and living in a convent under vows of poverty, chastity, and obedience.
2. One of various birds, as the nunbird.
3. Naut. A conical or cone–shaped buoy made of metal: also nun buoy. [OE nunne <L nonna, fem. of nonnus an old man]
—nun′nish adjective

(nn)
A principal outlet of the Niger in southern Nigeria.