If I see anything to-night why I should not marry her to-morrow, in the congregation, where I should wed, there will I shame her.
…them did, the prince and Claudio; but the devil my master, knew she was Margaret; and partly by his oaths, which first possessed them, partly by the dark night, which did deceive them, but chiefly by my villany, which did confirm any slander that Don John had made, away went Claudio enraged; swore he would meet her, as he was appointed, next morning at the temple, and there, before the whole congregation, shame her with what he saw o'er night, and send her home again without a husband.
There are no more uses of "congregation" in the play.
Show samples from other sources
It's a casual congregation where many people wander into services late.
The congregation voted to approve appointment of the new minister.