'Buy' in the Bible

And when it was evening, his disciples came to him, saying, This is a desert place, and the time is now past; send the multitude away, that they may go into the villages, and buy themselves victuals.

Why, what benefit will it be to a man if he gains the whole world but forfeits his life? Or what shall a man give to buy back his life?

But the wise answered, saying, Not so; lest there be not enough for us and you: but go ye rather to them that sell, and buy for yourselves.

And while they went to buy, the bridegroom came; and they that were ready went in with him to the marriage: and the door was shut.

So they decided to use the money to buy the Potter's Field as a burial ground for foreigners.