plenum

nouns

a meeting of a legislative body at which all members are present
"the plenum will vote on all tax increases"
plenum
is derived from
plenary
is a type of (narrower)
a formally arranged gathering
"next year the meeting will be in Chicago"; "the meeting elected a chairperson"
group meeting, meeting
an enclosed space in which the air pressure is higher than outside
plenum
is a type of (narrower)
a structure consisting of an area that has been enclosed for some purpose
enclosure