All 4 Uses

congregation
in
October Sky
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We live, he said to the hushed congregation, in a day and age when fathers often do not receive the respect they should from their sons.†
Chpt 7

congregation = people who worship together in the same building
" Although usually there was only silence in the congregation, I heard a few hearty "amens" from the choir box, and then, to my joy, I realized who had influenced at least the second part of this particular sermon.†
Chpt 7
A moment before, he seemed to be lifted high above the congregation, carried aloft by his own rhetoric.†
Chpt 7 *
Reverend Richard and his congregation scraped up enough money to buy his church and save it.†
Chpt 21

Definitions:

(1) (congregation as in: the congregation voted)
people who worship together in the same building
(2) (meaning too rare to warrant focus)
Much more rarely, congregation can reference any group of people, animals, or things collected together.