Definition of: hopper

(hop′ər) noun
1. One who or that which hops.
2. A saltatorial insect or larva, as a grasshopper or the larva of a fly that infests cheese.
3. A shaking or conveying receiver, funnel, or trough in which something is placed to be passed or fed, as to a mill.
4. A funnel–shaped spout or tank with a movable bottom or no bottom, as for conveying grain to cars.
5. A tilting, dumping, or discharging bottom or receptacle, as in a car or boat.
6. A tank or boxlike receptacle for holding water, grain, sugar, etc., which may be emptied by opening its bottom.