'Hinges' in the Bible

along with two doors of cypress wood, one door of which had two leaves that turned on hinges, as did the other door, which also had two leaves that turned on hinges.

And the bowls, and the snuffers, and the basons, and the spoons, and the censers of pure gold; and the hinges of gold, both for the doors of the inner house, the most holy place, and for the doors of the house, to wit, of the temple.

As the door turneth upon his hinges, so doth the slothful upon his bed.

Each door had two sections mounted on hinges, for a total of two sections for one door and two sections for the other.