Plenum (noun)

1. A space that is filled with a fluid or gas.
2. A meeting of all members of an organization or all the members of a legislative body.

Origin:

The term "plenum" is derived from the latin word "plenum" meaning "full" or "space that is full".

Examples:

1. The plenum of the engine is where the air and fuel mixture is compressed.
2. The plenum chamber in HVAC systems is used to distribute air evenly throughout a building.
3. The plenum meeting was attended by all members of the organization.
4. The plenum of the legislature was called to vote on a new bill.
5. The plenum space is used to distribute air throughout the building.