Organizations:
* Chicago Housing Authority: A public housing agency in Chicago, Illinois.
* Christian Health Association: An organization that promotes the health and well-being of people around the world.
* Connecticut Housing Authority: A public housing agency in Connecticut.
Other:
* Chaplain: A religious leader who provides spiritual guidance and support.
* Chronic Heart Attack: A medical term.
* Chemical Hazard Analysis: A process used to identify and assess potential chemical hazards.
To determine the correct meaning of CHA, you need more context.
For example:
* "The CHA is responsible for providing affordable housing in the city." This refers to the Chicago Housing Authority.
* "The chaplain offered words of comfort to the family." This refers to the Chaplain.
Please provide more context so I can give you the most accurate answer.