'Ordinary' in the Bible

(For only Og king of Bashan was left of the remnant of the Rephaim. Behold, his bedstead was an iron bedstead; it is in Rabbah of the sons of Ammon. Its length was nine cubits and its width four cubits by ordinary cubit.)

The priest answered David and said, “There is no ordinary bread on hand, but there is consecrated bread; if only the young men have kept themselves from women.”

David answered the priest and said to him, “Surely women have been kept from us as previously when I set out and the vessels of the young men were holy, though it was an ordinary journey; how much more then today will their vessels be holy?”

Then the Lord said to me, “Take for yourself a large tablet and write on it in ordinary letters: Swift is the booty, speedy is the prey.