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tunnelmore about tunnel


  4  definitions  found 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Adit  \Ad"it\,  n.  [L.  aditus  fr  adire,  ?aitum,  to  go  to  ad  + 
  ire  to  go.] 
  1.  An  entrance  or  passage.  Specifically:  The  nearly 
  horizontal  opening  by  which  a  mine  is  entered,  or  by  which 
  water  and  ores  are  carried  away  --  called  also  {drift} 
  and  {tunnel}. 
  2.  Admission;  approach;  access  [R.] 
  Yourself  and  yours  shall  have  Free  adit.  --Tennyson. 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Tunnel  \Tun"nel\,  n.  .  [F.  tonnelle  a  semicircular,  wagon-headed 
  vault,  a  tunnel  net,  an  arbor,  OF  also  tonnel;  dim.  of  tonne 
  a  tun;  --  so  named  from  its  resemblance  to  a  tun  in  shape. 
  See  {Ton}.] 
  1.  A  vessel  with  a  broad  mouth  at  one  end  a  pipe  or  tube  at 
  the  other  for  conveying  liquor,  fluids,  etc.,  into  casks, 
  bottles,  or  other  vessels;  a  funnel. 
  2.  The  opening  of  a  chimney  for  the  passage  of  smoke;  a  flue; 
  a  funnel. 
  And  one  great  chimney,  whose  long  tunnel  thence  The 
  smoke  forth  threw.  --Spenser. 
  3.  An  artificial  passage  or  archway  for  conducting  canals  or 
  railroads  under  elevated  ground,  for  the  formation  of 
  roads  under  rivers  or  canals,  and  the  construction  of 
  sewers,  drains,  and  the  like 
  4.  (Mining)  A  level  passage  driven  across  the  measures,  or  at 
  right  angles  to  veins  which  it  is  desired  to  reach;  -- 
  distinguished  from  the  drift,  or  gangway,  which  is  led 
  along  the  vein  when  reached  by  the  tunnel. 
  {Tunnel  head}  (Metal.),  the  top  of  a  smelting  furnace  where 
  the  materials  are  put  in 
  {Tunnel  kiln},  a  limekiln  in  which  coal  is  burned,  as 
  distinguished  from  a  flame  kiln,  in  which  wood  or  peat  is 
  {Tunnel  net},  a  net  with  a  wide  mouth  at  one  end  and  narrow 
  at  the  other 
  {Tunnel  pit},  {Tunnel  shaft},  a  pit  or  shaft  sunk  from  the 
  top  of  the  ground  to  the  level  of  a  tunnel,  for  drawing  up 
  the  earth  and  stones,  for  ventilation,  lighting,  and  the 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Tunnel  \Tun"nel\,  v.  t.  [imp.  &  p.  p.  {Tunneled}or  {Tunnelled}; 
  p.  pr  &  vb  n.  {Tunneling}  or  {Tunnelling}.] 
  1.  To  form  into  a  tunnel,  or  funnel,  or  to  form  like  a 
  tunnel;  as  to  tunnel  fibrous  plants  into  nests.  --Derham. 
  2.  To  catch  in  a  tunnel  net. 
  3.  To  make  an  opening,  or  a  passageway,  through  or  under  as 
  to  tunnel  a  mountain;  to  tunnel  a  river. 
  From  WordNet  r  1.6  [wn]: 
  n  1:  a  passage  through  or  under  something  usually  underground 
  (especially  one  for  trains  or  cars);  "the  tunnel  reduced 
  congestion  at  that  intersection" 
  2:  a  hole  in  the  ground  made  by  an  animal  for  shelter  [syn:  {burrow}] 
  v  1:  move  through  by  or  as  by  digging;  "burrow  through  the 
  forest"  [syn:  {burrow}] 
  2:  force  a  way  through 

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