GRIND

(MAKE SMALLER) [verb] [T] [past:] ground - to make (something) into small pieces or a powder by pressing between hard surfacesHe always grinds some black pepper over his pizza.For a good cup of coffee use freshly ground beans.They grind the bones down and make them into a traditional drink that is believed to increase strength and vigour. [M]They grind the grain into flour (= make flour by crushing grain) between two large stones.See also grounds.If you grind something into something else, you press the first thing hard into the second thing using a twisting movement.Sara angrily ground her cigarette into the ashtray.(UK literary) Someone who grinds the faces of the poor treats poor people very badly, often to get money from them.