Of the two, reverend Sir,” said the voice like the deacon’s, “I had rather miss an ordination-dinner than to-night’s meeting. They tell me that some of our community are to be here from Falmouth and beyond, and others from Connecticut and Rhode-Island; besides several of the Indian powows, who, after their fashion, know almost as much deviltry as the best of us. A “powow” in this context is___________?