1. [n]  the act of moving hurriedly and in a careless manner; "in his haste to leave he forgot his book"
2. [n]  (football) an attempt to advance the ball by running into the line; "the linebackers were ready to stop a rush"
3. [n]  a sudden burst of activity; "come back after the rush"; "he joined the gold rush"
4. [n]  a sudden forceful flow
5. [n]  the swift release of a store of affective force; "they got a great bang out of it"; "what a rush!"; "he does it for kicks"
6. [n]  physician and Revolutionary American leader; signer of the Declaration of Independence (1745-1813)
7. [n]  grasslike plants growing in wet places and having cylindrical often hollow stems
8. [adj]  not accepting reservations
9. [v]  urge to an unnatural speed; "Don't rush me, please!"
10. [v]  act or move at high speed; "We have to rush!"; "hurry--it's late!"
11. [v]  attack suddenly
12. [v]  of bodily processes such as fever, illness, etc.
13. [v]  step on it; "He rushed down the hall to receive his guests"; "The cars raced down the street"
14. [v]  cause to move fast or to rush or race; "The psychologist raced the rats through a long maze"
15. [v]  run with the ball, in football

1. \Rush\, n. [OE. rusche, rische, resche, AS. risce, akin to
   LG. rusk, risch, D. & G. rusch; all probably fr. L. ruscum
   butcher's broom; akin to Goth. raus reed, G. rohr.]
   1. (Bot.) A name given to many aquatic or marsh-growing
      endogenous plants with soft, slender stems, as the species
      of {Juncus} and {Scirpus}.
   Note: Some species are used in bottoming chairs and plaiting
         mats, and the pith is used in some places for wicks to
         lamps and rushlights.
   2. The merest trifle; a straw.
            John Bull's friendship is not worth a rush.
                                                  --Arbuthnot.
   {Bog rush}. See under {Bog}.
   {Club rush}, any rush of the genus {Scirpus}.
   {Flowering rush}. See under {Flowering}.
   {Nut rush}
      (a) Any plant of the genus {Scleria}, rushlike plants with
          hard nutlike fruits.
      (b) A name for several species of {Cyperus} having
          tuberous roots.
   {Rush broom}, an Australian leguminous plant ({Viminaria
      denudata}), having long, slender branches. Also, the
      Spanish broom. See under {Spanish}.
   {Rush candle}, See under {Candle}.
   {Rush grass}, any grass of the genus {Vilfa}, grasses with
      wiry stems and one-flowered spikelets.
   {Rush toad} (Zo["o]l.), the natterjack.
   {Scouring rush}. (Bot.) Same as {Dutch rush}, under {Dutch.}
   {Spike rush}, any rushlike plant of the genus {Eleocharis},
      in which the flowers grow in dense spikes.
   {Sweet rush}, a sweet-scented grass of Arabia, etc.
      ({Andropogon sch[oe]nanthus}), used in Oriental medical
      practice.
   {Wood rush}, any plant of the genus {Luzula}, which differs
      in some technical characters from {Juncus}.
   

2. \Rush\ (r[u^]sh), v. i. [imp. & p. p. {Rushed} (r[u^]sht);
   p. pr. & vb. n. {Rushing}.] [OE. ruschen; cf. AS. hryscan to
   make a noise, D. ruischen to rustle, G. rauschen, MHG.
   r[=u]schen to rush, to rustle, LG. rusken, OSw. ruska, Icel.
   & Sw. ruska to shake, Dan. ruske to shake, and E. rouse.]
   1. To move forward with impetuosity, violence, and tumultuous
      rapidity or haste; as, armies rush to battle; waters rush
      down a precipice.
            Like to an entered tide, they all rush by. --Shak.
   2. To enter into something with undue haste and eagerness, or
      without due deliberation and preparation; as, to rush
      business or speculation.
            They . . . never think it to be a part of religion
            to rush into the office of princes and ministers.
                                                  --Sprat.
   

3. \Rush\, v. t.
   1. To push or urge forward with impetuosity or violence; to
      hurry forward.
   2. To recite (a lesson) or pass (an examination) without an
      error. [College Cant, U.S.]
   

4. \Rush\, n.
   1. A moving forward with rapidity and force or eagerness; a
      violent motion or course; as, a rush of troops; a rush of
      winds; a rush of water.
            A gentleman of his train spurred up his horse, and,
            with a violent rush, severed him from the duke.
                                                  --Sir H.
                                                  Wotton.
   2. Great activity with pressure; as, a rush of business.
      [Colloq.]
   3. A perfect recitation. [College Cant, U.S.]
   4. (Football)
      (a) A rusher; as, the center rush, whose place is in the
          center of the rush line; the end rush.
      (b) The act of running with the ball.
   {Bunt rush} (Football), a combined rush by main strength.
   {Rush line} (Football), the line composed of rushers.
   

1. An interactive dialect of PL/I, related to CPS, dated about 1966. The name is the abbreviation of "Remote Use of Shared Hardware".

["Introduction to RUSH", Allen-Babcock Computing 1969. Sammet 1969, p.309.]

2. A high-level language that closely resembles Tcl but aimed to provide substantially faster execution. See An Introduction to the Rush Language by Adam Sah, Jon Blow, and Brian Dennis (1994).

the papyrus (Job 8:11). (See BULRUSH.) The expression "branch and rush" in Isa. 9:14; 19:15 means "utterly."