'Weaver's' in the Bible

The staff of his spear was like a weaver's beam; and his spear's head [weighed] six hundred shekels of iron: and his shield bearer went before him.

There was again war with the Philistines at Gob; and Elhanan the son of Jaareoregim the Bethlehemite killed Goliath the Gittite's brother, the staff of whose spear was like a weaver's beam.

He killed an Egyptian, a man of great stature, five cubits high; and in the Egyptian's hand was a spear like a weaver's beam; and he went down to him with a staff, and plucked the spear out of the Egyptian's hand, and killed him with his own spear.

There was again war with the Philistines; and Elhanan the son of Jair killed Lahmi the brother of Goliath the Gittite, the staff of whose spear was like a weaver's beam.

My days are swifter than a weaver's shuttle, and are spent without hope.