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ruddermore about rudder

rudder

 

  4  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Rudder  \Rud"der\,  n. 
  A  riddle  or  sieve.  [Prov.  Eng.] 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Rudder  \Rud"der\,  n.  [OE.  rother,  AS  r[=o][eth]er  a  paddle; 
  akin  to  D.  roer  rudder,  oar,  G.  ruder,  OHG.  roadar,  Sw 
  roder,  ror,  Dan.  roer,  ror.  [root]  8.  See  {Row}  to  propel 
  with  an  oar,  and  cf  {Rother}.  ] 
  1.  (Naut.)  The  mechanical  appliance  by  means  of  which  a 
  vessel  is  guided  or  steered  when  in  motion.  It  is  a  broad 
  and  flat  blade  made  of  wood  or  iron,  with  a  long  shank, 
  and  is  fastened  in  an  upright  position,  usually  by  one 
  edge,  to  the  sternpost  of  the  vessel  in  such  a  way  that  it 
  can  be  turned  from  side  to  side  in  the  water  by  means  of  a 
  tiller,  wheel,  or  other  attachment. 
 
  2.  Fig.:  That  which  resembles  a  rudder  as  a  guide  or 
  governor;  that  which  guides  or  governs  the  course. 
 
  For  rhyme  the  rudder  is  of  verses.  --Hudibras. 
 
  {Balance  rudder}  (Naut.),  a  rudder  pivoted  near  the  middle 
  instead  of  at  the  edge,  --  common  on  sharpies. 
 
  {Drop  rudder}  (Naut.),  a  rudder  extending  below  the  keel  so 
  as  to  be  more  effective  in  steering. 
 
  {Rudder  chain}  (Naut.),  one  of  the  loose  chains  or  ropes 
  which  fasten  the  rudder  to  the  quarters  to  prevent  its 
  loss  in  case  it  gets  unshipped  and  for  operating  it  in 
  case  the  tiller  or  the  wheel  is  broken. 
 
  {Rudder  coat}  (Naut.),  a  covering  of  tarred  canvas  used  to 
  prevent  water  from  entering  the  rudderhole. 
 
  {Rudder  fish}.  (Zo["o]l.) 
  a  The  pilot  fish. 
  b  The  amber  fish  ({Seriola  zonata}),  which  is  bluish 
  having  six  broad  black  bands. 
  c  A  plain  greenish  black  American  fish  ({Leirus 
  perciformis});  --  called  also  {black  rudder  fish}, 
  {logfish},  and  {barrel  fish}.  The  name  is  also  applied 
  to  other  fishes  which  follow  vessels. 
 
  {Rudder  pendants}  (Naut.),  ropes  connected  with  the  rudder 
  chains. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Rudder  \Rud"der\,  n. 
  In  an  aircraft,  a  surface  the  function  of  which  is  to  exert  a 
  turning  moment  about  an  axis  of  the  craft. 
 
  From  WordNet  r  1.6  [wn]: 
 
  rudder 
  n  1:  a  hinged  vertical  airfoil  mounted  at  the  tail  of  an  aircraft 
  and  used  to  make  horizontal  course  changes 
  2:  (nautical)  a  hinged  vertical  plate  mounted  at  the  stern  of  a 
  vessel  and  used  to  steer  it




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