'Arms' in the Bible

It is to have two bands stitched to it at the top of the arms, joining it together.

And the two stones are to be placed on the ephod, over the arm-holes, to be stones of memory for the children of Israel: Aaron will have their names on his arms when he goes in before the Lord, to keep the Lord in mind of them.

Joining the other ends of the chains to the gold frames and putting them on the front of the ephod, at the top of the arms.

And make two more gold rings and put them on the front of the ephod at the top of the arms, at the join, over the worked band:

And they made two bands for joining its edges together at the top of the arms.