Air chamber
- A cavity containing air to act as a spring for equalizing the flow of a liquid in a pump or other hydraulic machine.
- A chamber or cavity filled with air, in an animal or plant.
The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.