'Seat' in the Bible

He will be the builder of a house for my name, and I will make the seat of his authority certain for ever.

And your family and your kingdom will keep their place before me for ever: the seat of your authority will never be overturned.

Then David the king went in and took his seat before the Lord, and said, Who am I, O Lord God, and what is my family, that you have been my guide till now?

And the woman of Tekoa said to the king, My lord, O king, may the sin be on me and on my family, and may the king and the seat of his kingdom be clear of sin!

So the king got up and took his seat in the gateway. When the army was informed, "The king is sitting in the gateway!" they all gathered together in his presence.

These be the names of the mighty men whom David had: The Tachmonite that sat in the seat, chief among the captains; the same was Adino the Eznite: he lift up his spear against eight hundred, whom he slew at one time.