'Brink' in the Bible

And thou shalt command the priests that bear the ark of the covenant, saying, When ye are come to the brink of the water of Jordan, ye shall stand still in Jordan.

and when they that bare the ark were come unto the Jordan, and the feet of the priests that bare the ark were dipped in the brink of the water (for the Jordan overfloweth all its banks all the time of harvest,)