Definitions
an enclosed space in which the air pressure is higher than outside
Word origin
From Latin plēnum n (“space filled with matter”), from plēnus (“full”). The sense of "legislative meeting" is a semantic loan from Russian пле́нум (plénum, “plenary session”), from the same Latin source.
Used in a sentence
“The idea was that a thing could only move into an empty place, and that, in a plenum, there are no empty places.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Full assembly”6 letters
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