plenum
📖 Definitions
noun
1. An assembly in which all members are present.
2. A space in which air or another gas is at pressure greater than the atmospheric pressure.
3. A space filled with matter, as contrasted with vacuum.
4. A space, above the ceiling or below the floor, that serves as a receiving chamber for heated or cooled air.
💬 Usage Examples
“The plenum passed a resolution requiring his resignation and ditched him.” Frederick Forsyth; Icon; Bantam; 1996.