
1) Cooperative banking 2) Maya art
Found on
https://www.crosswordclues.com/clue/chama
[Maya site] Chama (Chamá) is a small Late-Classic Maya highland site, situated in the Chixoy River valley of the Alta Verapaz department of Guatemala, some fifty kilometers north-west of San Pedro Carchah. Small-scale excavations were carried out in the early twentieth century by Robert J. Burkitt of the Pennsylvania University Museum. The...
Found on
http://en.wikipedia.org/wiki/Chama_(Maya_site)
[genus] Chama is a genus of cemented saltwater clams, marine bivalve molluscs in the family Chamidae, the jewel boxes. ...
Found on
http://en.wikipedia.org/wiki/Chama_(genus)
[investment] A Chama is an informal cooperative society that is normally used to pool and invest savings by people in East Africa, and particularly Kenya. The chama phenomenon is also referred to as `micro-savings groups`. `Chama` (also spelled Kyama by certain tribes) is the Kiswahili word for `group` or `body`. The chama phenomenon arose ...
Found on
http://en.wikipedia.org/wiki/Chama_(investment)

Chama is a genus of marine bivalves including the giant clam.
Found on
http://www.probertencyclopaedia.com/browse/BC.HTM
No exact match found.