Pronunciation: (plē'nu-rē, plen'u-), [key]
—adj., n., pl. -ries.
1. full; complete; entire; absolute; unqualified: plenary powers.
2. attended by all qualified members; fully constituted: a plenary session of Congress.
a plenary session, meeting, or the like.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.