'Bar' in the Bible

And the bar in the middle, in the midst of the frames [will] run from end to end.

And he made the middle bar to run in the midst of the frames from end to end.

I saw among the spoil a beautiful robe from Shinar, two hundred shekels of silver, and one bar of gold [that] weighed fifty shekels; I coveted them and took them. They [are] hidden in the ground inside my tent, and the silver [is] under it."

Then Joshua, and all Israel with him, took Achan son of Zerah, the silver, the robe, the bar of gold, his sons and daughters, his cattle and donkeys, his sheep, his tent, and everything that [was] his, and they brought them [to] the valley of Achor.

But Samson lay until the middle of the night; he got up in the middle of the night and took hold of the doors of the city gate and the two door posts, tore them loose with the bar, put them on his shoulders, and carried them up to the top of the hill that is {in front of} Hebron.