Answer: plenum

AnswerCrossword Clue
PLENUMFull assembly of a legislative body
plenuma full assembly, as a joint legislative assembly.
plenumspace considered as fully occupied by matter
plenumspace, usually between floors, that can serve as a receiving chamber for air that has been heated or cooled to be distributed to inhabited areas
plenumthe state or a space in which a gas, usually air, is held under greater than atmospheric pressure
plenumfull assembly, as a joint legislative assembly
PLENUMVacuum's opposite
PLENUMFully attended meeting
PLENUMState of the Union attendance
PLENUMVacuum's antithesis
PLENUMAssembly with all members present
PLENUMOpposite of a vacuum
PLENUMEntire membership
PLENUMGeneral assembly of legislators
PLENUMFull assembly.
PLENUMOpposite of vacuum.
PLENUMFull assembly
PLENUMFull legislative assembly