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单词 bolster
释义 bolster
 —bolsterer,  n.  
 /bohl"steuhr/,  n.  
  1. a long, often cylindrical, cushion or pillow for a bed, sofa, etc.
  2. anything resembling this in form or in use as a support.
  3. any pillow, cushion, or pad.
  4.  Naut.  
   a. Also called bolster plate. a circular casting on the side of a vessel, through which an anchor chain passes.
   b. a timber used as a temporary support.
   c. a beam for holding lines or rigging without chafing.
   d. a bag filled with buoyant material, fitted into a small boat.
  5.  Metalworking.   an anvillike support for the lower die of a drop forge.
  6.  Masonry.  
   a. a timber or the like connecting two ribs of a centering.
   b. a chisel with a blade splayed toward the edge, used for cutting bricks.
  7.  Carpentry.   a horizontal timber on a post for lessening the free span of a beam.
  8. a structural member on which one end of a bridge truss rests.
  v.t.  
  9. to support with or as with a pillow or cushion.
  10. to add to, support, or uphold (sometimes fol. by up): They bolstered their morale by singing. He bolstered up his claim with new evidence.
 [bef. 1000; ME bolstre (n.), OE bolster; c. ON bolstr, D bolster, G Polster]
 Syn. 1. See cushion. 10. strengthen, sustain, aid, reinforce, fortify.
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更新时间:2025/1/11 7:26:12