'Grain' in the Bible

Behold, I will crush you in your place, as a cart crushes that is full of grain.

Saying, 'When will the new moon be gone, that we may sell grain? And the Sabbath, that we may market wheat, making the ephah small, and the shekel large, and dealing falsely with balances of deceit;

"For, behold, I will command, and I will sift the house of Israel among all the nations, as grain is sifted in a sieve, yet not the least kernel will fall on the earth.