'Half' in the Bible

But in truth I tell you, there were many widows in Israel in Elijah's days, when the sky was shut up three and a half years, and there was a great famine over all the land.

And Jesus answering said, A certain man went down from Jerusalem to Jericho, and fell among thieves, which stripped him of his raiment, and wounded him, and departed, leaving him half dead.

And Zacchaeus stood, and said unto the Lord; Behold, Lord, the half of my goods I give to the poor; and if I have taken any thing from any man by false accusation, I restore him fourfold.