Full; entire; complete; absolute; as, a plenary license; plenary authority.
An open meeting of the entire Conference of the Parties where all formal decisions are taken.
Complete. A ‘plenary session' is a meeting attended by all.
full in all respects; "a plenary session of the legislature"; "a diplomat with plenary powers"
A meeting of the entire COP where all formal decisions are taken.
An open session of the entire COP where all formal decisions are taken.
a meeting, usually part of a large conference, that is open to all participants.
Colloquial term to describe a meeting of the Parliament.