Adjacent Words

Riser definitions

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Webster's 1828 Dictionary

RI'SER, n.
1. One that rises; as an early riser.
2. Among joiners, the upright board of a stair.

WordNet (r) 3.0 (2005)

n
1: a person who rises (especially from bed); "he's usually a late riser"
2: a vertical pipe in a building [syn: riser, riser pipe, riser pipeline, riser main]
3: structural member consisting of the vertical part of a stair or step

Merriam Webster's

noun Date: 15th century 1. one that rises (as from sleep) 2. the upright member between two stair treads 3. a stage platform on which performers are placed for greater visibility 4. a vertical pipe (as for water or gas) or a vertical portion of an electric wiring system 5. one of the straps that connects a parachutist's harness with the shroud lines

Oxford Reference Dictionary

n. 1 a person who rises esp. from bed (an early riser). 2 a vertical section between the treads of a staircase. 3 a vertical pipe for the flow of liquid or gas.

Webster's 1913 Dictionary

Riser Ris"er, n. 1. One who rises; as, an early riser. 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. 3. (Mining) A shaft excavated from below upward. 4. (Founding) A feed head. See under Feed, n.

Webster's 1913 Dictionary

Shrinking Shrink"ing, a. & n. from Shrink. Shrinking head (Founding), a body of molten metal connected with a mold for the purpose of supplying metal to compensate for the shrinkage of the casting; -- called also sinking head, and riser.

Webster's 1913 Dictionary

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. 2. A grazing or pasture ground. --Shak. 3. An allowance of provender given to a horse, cow, etc.; a meal; as, a feed of corn or oats. 4. A meal, or the act of eating. [R.] For such pleasure till that hour At feed or fountain never had I found. --Milton. 5. The water supplied to steam boilers. 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. 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.

Collin's Cobuild Dictionary

(risers) 1. An early riser is someone who likes to get up early in the morning. A late riser is someone who likes to get up late. He was an early riser and he would be at the breakfast table at seven. N-COUNT: supp N 2. A riser is the flat vertical part of a step or a stair. (TECHNICAL) N-COUNT