6  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Plane  \Plane\,  v.  i. 
  Of  a  boat,  to  lift  more  or  less  out  of  the  water  while  in 
  motion,  after  the  manner  of  a  hydroplane;  to  hydroplane. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Plane  \Plane\,  n.  [F.  plane,  L.  plana.  See  {Plane},  v.  &  a.] 
  1.  (Geom.)  A  surface,  real  or  imaginary,  in  which  if  any  two 
  points  are  taken  the  straight  line  which  joins  them  lies 
  wholly  in  that  surface;  or  a  surface,  any  section  of  which 
  by  a  like  surface  is  a  straight  line  a  surface  without 
  curvature. 
 
  2.  (Astron.)  An  ideal  surface,  conceived  as  coinciding  with 
  or  containing,  some  designated  astronomical  line  circle, 
  or  other  curve;  as  the  plane  of  an  orbit;  the  plane  of 
  the  ecliptic,  or  of  the  equator. 
 
  3.  (Mech.)  A  block  or  plate  having  a  perfectly  flat  surface, 
  used  as  a  standard  of  flatness;  a  surface  plate. 
 
  4.  (Joinery)  A  tool  for  smoothing  boards  or  other  surfaces  of 
  wood,  for  forming  moldings,  etc  It  consists  of  a 
  smooth-soled  stock,  usually  of  wood,  from  the  under  side 
  or  face  of  which  projects  slightly  the  steel  cutting  edge 
  of  a  chisel,  called  the  iron,  which  inclines  backward, 
  with  an  apperture  in  front  for  the  escape  of  shavings;  as 
  the  jack  plane;  the  smoothing  plane;  the  molding  plane, 
  etc 
 
  {Objective  plane}  (Surv.),  the  horizontal  plane  upon  which 
  the  object  which  is  to  be  delineated,  or  whose  place  is  to 
  be  determined,  is  supposed  to  stand 
 
  {Perspective  plane}.  See  {Perspective}. 
 
  {Plane  at  infinity}  (Geom.),  a  plane  in  which  points 
  infinitely  distant  are  conceived  as  situated. 
 
  {Plane  iron},  the  cutting  chisel  of  a  joiner's  plane. 
 
  {Plane  of  polarization}.  (Opt.)  See  {Polarization}. 
 
  {Plane  of  projection}. 
  a  The  plane  on  which  the  projection  is  made 
  corresponding  to  the  perspective  plane  in  perspective; 
  --  called  also  principal  plane. 
  b  (Descriptive  Geom.)  One  of  the  planes  to  which  points 
  are  referred  for  the  purpose  of  determining  their 
  relative  position  in  space. 
 
  {Plane  of  refraction}  or  {reflection}  (Opt.),  the  plane  in 
  which  lie  both  the  incident  ray  and  the  refracted  or 
  reflected  ray. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Plane  \Plane\,  a.  [L.  planus:  cf  F.  plan  See  {Plan},  a.] 
  Without  elevations  or  depressions;  even  level;  flat;  lying 
  in  or  constituting,  a  plane;  as  a  plane  surface. 
 
  Note:  In  science,  this  word  (instead  of  plain)  is  almost 
  exclusively  used  to  designate  a  flat  or  level  surface. 
 
  {Plane  angle},  the  angle  included  between  two  straight  lines 
  in  a  plane. 
 
  {Plane  chart},  {Plane  curve}.  See  under  {Chart}  and  {Curve}. 
 
 
  {Plane  figure},  a  figure  all  points  of  which  lie  in  the  same 
  plane.  If  bounded  by  straight  lines  it  is  a  rectilinear 
  plane  figure,  if  by  curved  lines  it  is  a  curvilinear  plane 
  figure. 
 
  {Plane  geometry},  that  part  of  geometry  which  treats  of  the 
  relations  and  properties  of  plane  figures. 
 
  {Plane  problem},  a  problem  which  can  be  solved  geometrically 
  by  the  aid  of  the  right  line  and  circle  only. 
 
  {Plane  sailing}  (Naut.),  the  method  of  computing  a  ship's 
  place  and  course  on  the  supposition  that  the  earth's 
  surface  is  a  plane. 
 
  {Plane  scale}  (Naut.),  a  scale  for  the  use  of  navigators,  on 
  which  are  graduated  chords,  sines,  tangents,  secants, 
  rhumbs,  geographical  miles,  etc 
 
  {Plane  surveying},  surveying  in  which  the  curvature  of  the 
  earth  is  disregarded;  ordinary  field  and  topographical 
  surveying  of  tracts  of  moderate  extent. 
 
  {Plane  table},  an  instrument  used  for  plotting  the  lines  of  a 
  survey  on  paper  in  the  field. 
 
  {Plane  trigonometry},  the  branch  of  trigonometry  in  which  its 
  principles  are  applied  to  plane  triangles. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Plane  \Plane\,  n.  [F.,  fr  L.  platanus,  Gr  ?,  fr  ?  broad;  -- 
  so  called  on  account  of  its  broad  leaves  and  spreading  form 
  See  {Place},  and  cf  {Platane},  {Plantain}  the  tree.]  (Bot.) 
  Any  tree  of  the  genus  Platanus. 
 
  Note:  The  Oriental  plane  ({Platanus  orientalis})  is  a  native 
  of  Asia.  It  rises  with  a  straight,  smooth,  branching 
  stem  to  a  great  height,  with  palmated  leaves,  and  long 
  pendulous  peduncles,  sustaining  several  heads  of  small 
  close-sitting  flowers.  The  seeds  are  downy,  and 
  collected  into  round,  rough,  hard  balls.  The  Occidental 
  plane  ({Platanus  occidentalis}),  which  grows  to  a  great 
  height,  is  a  native  of  North  America,  where  it  is 
  popularly  called  {sycamore},  {buttonwood},  and 
  {buttonball},  names  also  applied  to  the  California 
  species  ({Platanus  racemosa}). 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Plane  \Plane\,  v.  t.  [imp.  &  p.  p.  {Planed};  p.  pr  &  vb  n. 
  {Planing}.]  [Cf.  F.  planer,  L.  planare,  fr  planus.  See 
  {Plane},  a.,  {Plain},  a.,  and  cf  {Planish}.] 
  1.  To  make  smooth;  to  level;  to  pare  off  the  inequalities  of 
  the  surface  of  as  of  a  board  or  other  piece  of  wood,  by 
  the  use  of  a  plane;  as  to  plane  a  plank. 
 
  2.  To  efface  or  remove. 
 
  He  planed  away  the  names  .  .  .  written  on  his 
  tables.  --Chaucer. 
 
  3.  Figuratively,  to  make  plain  or  smooth.  [R.] 
 
  What  student  came  but  that  you  planed  her  path. 
  --Tennyson. 
 
  From  WordNet  r  1.6  [wn]: 
 
  plane 
  adj  :  having  a  horizontal  surface  in  which  no  part  is  higher  or 
  lower  than  another;  "a  flat  desk";  "acres  of  level 
  farmland";  "a  plane  surface"  [syn:  {flat},  {level}] 
  n  1:  an  aircraft  that  has  fixed  a  wing  and  is  powered  by 
  propellers  or  jets;  "the  flight  was  delayed  due  to 
  trouble  with  the  airplane"  [syn:  {airplane},  {aeroplane}] 
  2:  (mathematics)  an  unbounded  two-dimensional  shape;  "we  will 
  refer  to  the  plane  of  the  graph  as  the  X-Y  plane";  "any 
  line  joining  two  points  on  a  plane  lies  wholly  on  that 
  plane"  [syn:  {sheet}] 
  3:  a  level  of  existence  or  development;  "he  lived  on  a  worldly 
  plane" 
  4:  a  power  tool  for  smoothing  or  shaping  wood  [syn:  {planer},  {planing 
  machine}] 
  5:  a  carpenter's  hand  tool  with  an  adjustable  blade  for 
  smoothing  or  shaping  wood;  "the  cabinetmaker  used  a  plane 
  for  the  finish  work"  [syn:  {carpenter's  plane},  {woodworking 
  plane}] 
  v  1:  cut  slices  from  "The  machine  shaved  off  fine  layers  from 
  the  piece  of  wood"  [syn:  {shave}] 
  2:  travel  on  the  surface  of  water  [syn:  {skim}] 

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