Minimum Number Required for Council Meetings

This page is the CodyCross answer for the clue below from Space Exploration, Group 909, Puzzle 2 (Earth Observation).

Question is: Minimum Number Required for Council Meetings

and the answer is: QUORUM

Word Meaning:

QUORUM — (historical) A select body of (usually eminent) justices of the peace, every member of which had to be present to constitute a deciding body; a member of this body. Later more generally: all justices collectively.

Definitions from Wiktionary.