1176510 jmdict A [id=2341225]
延長[ichi1,news1,nf02]
えんちょう[ichi1,news1,nf02]
[1][n,vs,vt,vi]
  extension; elongation; prolongation; lengthening
[2][n]
  (total) length
[3][n]
  extension (e.g. of one's work); continuation
[4][n][fld=math]
  extension (of a line segment)
[5][n][fld=phil]
  extension (property of occupying space)
[6][n][hist]
  Enchō era (923.4.11-931.4.26)
[7][n][abbr][fld=sports]
  extended game; overtime; extra time; extra innings
  [see=1753560・延長戦[1]]