'Stairs' in the Bible

When they had entered the city, they went upstairs to the upper room where they were staying [indefinitely]; that is, Peter, and John and [his brother] James, and Andrew, Philip and Thomas, Bartholomew (Nathanael) and Matthew, James the son of Alphaeus, and Simon the Zealot, and Judas (Thaddaeus) the son of James.

And when he came upon the stairs, so it was, that he was borne of the soldiers for the violence of the people.

And when he had given him licence, Paul stood on the stairs, and beckoned with the hand unto the people. And when there was made a great silence, he spake unto them in the Hebrew tongue, saying,