Edit page | Page history | Printable version

Hopper

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.

5. (Science: zoology) see grasshopper, and frog hopper, grape hopper, leaf hopper, tree hopper, under frog, grape, leaf, and tree. The larva of a cheese fly.

6. A vessel for carrying waste, garbage, etc, out to sea, so constructed as to discharge its load by a mechanical contrivance; called also dumping scow.

(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.