Plenary is an adjective related to the noun plenum carrying a general connotation of fullness.
Plenary may also refer to:
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Plenary session or meeting, the part of a conference when all members of all parties are in attendance
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Plenary speaker, a speaker at a plenary session; distinguish from a sectional speaker
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Plenary power or plenary authority, the complete power of a governing body
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Plenary council, one of various councils of the Catholic Church
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Plenary indulgence, a type of religious indulgence
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Plenary Group, an Australian company
