'Old' in the Bible

Now Moses was eighty years old and Aaron was eighty-three years old when they spoke to Pharaoh.

Moses said, "We will go with our young and our old, with our sons and our daughters, and with our sheep and our cattle we will go, because we are to hold a pilgrim feast for the Lord."

Your lamb must be perfect, a male, one year old; you may take it from the sheep or from the goats.

"Now this is what you are to prepare on the altar every day continually: two lambs a year old.

Everyone who crosses over to those numbered, from twenty years old and up, is to pay an offering to the Lord.

one beka per person, that is, a half shekel, according to the sanctuary shekel, for everyone who crossed over to those numbered, from twenty years old or older, 603,550 in all.