hopper

1a :  one that hopsb :  a leaping insect; specifically :  an immature hopping form of an insect (such as a grasshopper or locust)

2 [from the shaking motion of hoppers used to feed grain into a mill] a :  a usually funnel-shaped receptacle for delivering material (such as grain or coal); also :  any of various other receptacles for the temporary storage of materialb :  a freight car with a floor sloping to one or more hinged doors for discharging bulk materials —called also hopper carc :  a box in which a bill to be considered by a legislative body is droppedd :  a tank holding liquid and having a device for releasing its contents through a pipee :  a mix of things to be considered or done