'Staff' in the Bible

let it fall upon the head of Joab, and upon all his father's house; and let there not fail from the house of Joab one that hath an issue, or that is a leper, or that leaneth on a staff, or that falleth by the sword, or that lacketh bread.

And there was again war with the Philistines at Gob; and Elhanan the son of Jaareoregim the Beth-lehemite slew Goliath the Gittite, the staff of whose spear was like a weaver's beam.

But the man that toucheth them Must be armed with iron and the staff of a spear: And they shall be utterly burned with fire in their place.

And he slew an Egyptian, a goodly man: and the Egyptian had a spear in his hand; but he went down to him with a staff, and plucked the spear out of the Egyptian's hand, and slew him with his own spear.