'Bread' in the Bible

Therefore let us keep the feast, not with old leaven, neither with the leaven of malice and wickedness; but with the unleavened bread of sincerity and truth.

The cup of blessing which we bless, is it not the communion of the blood of Christ? The bread which we break, is it not the communion of the body of Christ?

For we being many are one bread, and one body: for we are all partakers of that one bread.

For I have received of the Lord that which also I delivered unto you, That the Lord Jesus the same night in which he was betrayed took bread:

For as often as ye eat this bread, and drink this cup, ye do shew the Lord's death till he come.

Wherefore whosoever shall eat this bread, and drink this cup of the Lord, unworthily, shall be guilty of the body and blood of the Lord.

But let a man examine himself, and so let him eat of that bread, and drink of that cup.