[ˈpliːnəm], (Noun)

Definitions:
- an assembly of all the members of a group or committee
(e.g: the bill will be presented for a preliminary reading at the plenum on Wednesday)

- a space completely filled with matter, or the whole of space so regarded
(e.g: so long as things move simultaneously into each other's places, motion is possible in a plenum)


Phrases:

Origin:
late 17th century: from Latin, literally ‘full space’, neuter of plenus ‘full’