Meaning & use
plenum
Last updated
A full assembly or meeting attended by all members of a group or organization.
See it in a sentence
The committee held a plenum session to vote on the new bylaws.
Delegates from every region gathered for the annual plenum.
A note on using this word
Has an unrelated technical meaning in building engineering, referring to an enclosed space with pressurized air used for heating and cooling systems.
Another way to use it
2. noun
An enclosed space, such as one above a ceiling or below a floor, through which pressurized air is distributed in an HVAC system.
Air is distributed through the building via a plenum above the ceiling.
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