Noun kathedra (seat) in the Gospels-Acts

(Translation from NRSVg)

Matthew

21: 12Then Jesus entered the temple and drove out all who were selling and buying in the temple, and he overturned the tables of the money changers and the seats (kathedra) of those who sold doves.
23: 2"The scribes and the Pharisees sit on Moses' seat (kathedra);

Mark

11: 15Then they came to Jerusalem. And he entered the temple and began to drive out those who were selling and those who were buying in the temple, and he overturned the tables of the money changers and the seats (kathedra) of those who sold doves;