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ferrule

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ferrule


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Thimble  \Thim"ble\,  n.  [OE.  thimbil  AS  ??mel,  fr  ??ma  a 
  thumb.  [root]56.  See  {Thumb}.] 
  1.  A  kind  of  cap  or  cover,  or  sometimes  a  broad  ring,  for  the 
  end  of  the  finger,  used  in  sewing  to  protect  the  finger 
  when  pushing  the  needle  through  the  material.  It  is 
  usually  made  of  metal,  and  has  upon  the  outer  surface 
  numerous  small  pits  to  catch  the  head  of  the  needle. 
 
  2.  (Mech.)  Any  thimble-shaped  appendage  or  fixure. 
  Specifically: 
  a  A  tubular  piece,  generally  a  strut,  through  which  a 
  bolt  or  pin  passes. 
  b  A  fixed  or  movable  ring,  tube,  or  lining  placed  in  a 
  hole. 
  c  A  tubular  cone  for  expanding  a  flue;  --  called 
  {ferrule}  in  England. 
 
  3.  (Naut.)  A  ring  of  thin  metal  formed  with  a  grooved 
  circumference  so  as  to  fit  within  an  eye-spice,  or  the 
  like  and  protect  it  from  chafing. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Ferrule  \Fer"rule\  (?  or  ?;  277),  n.  [Formerly  verrel,  F. 
  virole,  fr  L.  viriola  little  bracelet,  dim.  of  viriae,  pl., 
  bracelets;  prob.  akin  to  viere  to  twist,  weave,  and  E.  withe. 
  The  spelling  with  f  is  due  to  confusion  with  L.  ferrum  iron.] 
  1.  A  ring  or  cap  of  metal  put  round  a  cane,  tool,  handle,  or 
  other  similar  object,  to  strengthen  it  or  prevent 
  splitting  and  wearing. 
 
  2.  (Steam  Boilers)  A  bushing  for  expanding  the  end  of  a  flue 
  to  fasten  it  tightly  in  the  tube  plate,  or  for  partly 
  filling  up  its  mouth. 
 
  From  WordNet  r  1.6  [wn]: 
 
  ferrule 
  n  :  a  metal  cap  or  band  placed  on  a  wooden  pole  to  prevent 
  splitting  [syn:  {collet}] 




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