Definition of plenum
1a : a space or all space every part of which is full of matterb : an air-filled space in a structure; especially : one that receives air from a blower for distribution (as in a ventilation system)
2 : a general assembly of all members especially of a legislative body
3 : the quality or state of being full
Recent Examples of plenum from the Web
Second, is pulling the PLA into the ambitious national reform agenda -- political, economic, social, etc. -- that Xi and the CCP outlined at the third plenum of the 18th Central Committee in 2013.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'plenum'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of plenum
New Latin, from Latin, neuter of plenus
First Known Use: 1678See Words from the same year
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