'Staff' in the Bible

Do not [take] a traveler's bag for the road, or two tunics, or sandals, or a staff, for the worker [is] deserving of his provisions.

And he commanded them that they take along nothing for the journey except only a staff--no bread, no traveler's bag, no money in their belts--

And he said to them, "Take along nothing for the journey--neither a staff, nor a traveler's bag, nor bread, nor money, nor to have two tunics apiece.

By faith Jacob, [as he] was dying, blessed each of the sons of Joseph and worshiped, [leaning] on the top of his staff.

And a measuring rod similar in appearance to a staff was given to me, saying, "Get up and measure the temple of God and the altar and those who worship in it.