Riser \Ris"er\, n.
1. One who rises; as, an early riser.
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2. (Arch.)
(a) The upright piece of a step, from tread to tread.
Hence:
(b) Any small upright face, as of a seat, platform,
veranda, or the like.
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3. (Mining) A shaft excavated from below upward.
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4. (Founding) A feed head. See under Feed, n.
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Feed \Feed\, n.
1. That which is eaten; esp., food for beasts; fodder;
pasture; hay; grain, ground or whole; as, the best feed
for sheep.
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2. A grazing or pasture ground. --Shak.
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3. An allowance of provender given to a horse, cow, etc.; a
meal; as, a feed of corn or oats.
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4. A meal, or the act of eating. [R.]
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For such pleasure till that hour
At feed or fountain never had I found. --Milton.
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5. The water supplied to steam boilers.
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6. (Mach.)
(a) The motion, or act, of carrying forward the stuff to
be operated upon, as cloth to the needle in a sewing
machine; or of producing progressive operation upon
any material or object in a machine, as, in a turning
lathe, by moving the cutting tool along or in the
work.
(b) The supply of material to a machine, as water to a
steam boiler, coal to a furnace, or grain to a run of
stones.
(c) The mechanism by which the action of feeding is
produced; a feed motion.
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Feed bag, a nose bag containing feed for a horse or mule.
Feed cloth, an apron for leading cotton, wool, or other
fiber, into a machine, as for carding, etc.
Feed door, a door to a furnace, by which to supply coal.
Feed head.
(a) A cistern for feeding water by gravity to a steam
boiler.
(b) (Founding) An excess of metal above a mold, which
serves to render the casting more compact by its
pressure; -- also called a riser, deadhead, or
simply feed or head --Knight.
Feed heater.
(a) (Steam Engine) A vessel in which the feed water for
the boiler is heated, usually by exhaust steam.
(b) A boiler or kettle in which is heated food for stock.
Feed motion, or Feed gear (Mach.), the train of mechanism
that gives motion to the part that directly produces the
feed in a machine.
Feed pipe, a pipe for supplying the boiler of a steam
engine, etc., with water.
Feed pump, a force pump for supplying water to a steam
boiler, etc.
Feed regulator, a device for graduating the operation of a
feeder. --Knight.
Feed screw, in lathes, a long screw employed to impart a
regular motion to a tool rest or tool, or to the work.
Feed water, water supplied to a steam boiler, etc.
Feed wheel (Mach.), a kind of feeder. See Feeder, n., 8.
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