Hopper ::
Hopper (n.) A
chute, box, or
receptacle, usually funnel-shaped with an
opening at the lower part, for
delivering or
feeding any
material, as to a
machine; as, the
wooden box with its
trough through which grain
passes into a mill by
joining or
shaking, or a
funnel through which fuel
passes into a
furnace, or coal, etc., into a car..