* The Anacostia River: This river flows through Washington, D.C. and into the Potomac River.
* The Anacostia neighborhood: This is a neighborhood located in the southeastern part of Washington, D.C. along the Anacostia River.
The name "Anacostia" itself is thought to come from the Native American word "Na-co-stie" which meant "place of the people" or "place of the inhabitants".
So, "Anacostia" is not a word with its own meaning. It's a geographical name referring to a specific river and neighborhood.