
1) Impact crater on Mercury
Found on
https://www.crosswordclues.com/clue/barma
[crater] Barma is a crater on Mercury. It has a diameter of 128 kilometers. Its name was adopted by the International Astronomical Union in 1982. Balzac is named for the Russian architect Barma, who lived in the 16th century. ...
Found on
http://en.wikipedia.org/wiki/Barma_(crater)

(from the article `Chad`) Among the inhabitants of the semiarid tropical zone are the Barma of Bagirmi, the founders of the kingdom of the same name; they are surrounded by ...
Found on
http://www.britannica.com/eb/a-z/b/22
No exact match found.