1. One who, or that which, hops.
2. 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.
3. See grasshopper.
4. A game. See Hopscotch.
(Science: chemistry) bell and hopper, the apparatus at the top of a blast furnace, through which the charge is introduced, while the gases are retained. Hopper boy, a rake in a mill, moving in a circle to spread meal for drying, and to draw it over an opening in the floor, through which it falls. Hopper closet, a water-closet, without a movable pan, in which the receptacle is a funnel standing on a draintrap. Hopper cock, a faucet or valve for flushing the hopper of a water-closet.
See: 1st hop.