What is the meaning of Plenum?

A space that is completely filled with matter.

A state of fullness, a great quantity (of something).

A legislative meeting (especially of the Communist Party) in which all members are present.

An enclosed space having greater than atmospheric pressure.

The space above a false ceiling used for cables, ducts etc.

A type of network cabling which satisfies a given plenum rating for the purpose of fire safety.

inflection of plēnus:

1. accusative masculine singular
2. nominative/accusative/vocative neuter singular

accusative masculine singular

nominative/accusative/vocative neuter singular

plenum (a space that is completely filled with matter)

a plenum

a plenary session

a public place

a plenum

a plenary session

plenum (a legislative meeting (especially of the Communist Party) in which all members are present)

plenum (members gathered at such a meeting)

Source: wiktionary.org