When night fell, they congregated in the darkness with flashlights, continuing their macabre vigil at the bomb line in brooding entreaty as though hoping to move the ribbon up by the collective weight of their sullen prayers.
One more girl appeared wearing only panties and sat down, bringing the total congregating there in just a few minutes to eleven, all but one of them completely unclothed.
There are no more uses of "congregate" in the book.
Show samples from other sources
People congregated outside of City Hall to protest.
It was in the quiet at the end of the day, when we began to congregate in the open space before climbing into our caves.