'Old' in the Bible

Give ear to this, you old men, and take note, you people of the land. Has this ever been in your days, or in the days of your fathers?

Let a time be fixed for going without food, have a holy meeting, let the old men, even all the people of the land, come together to the house of the Lord your God, crying out to the Lord.

Get the people together, make the mass of the people holy, send for the old men, get together the children and babies at the breast: let the newly married man come out of his room and the bride from her tent.

And after that, it will come about, says the Lord, that I will send my spirit on all flesh; and your sons and your daughters will be prophets, your old men will have dreams, your young men will see visions: