1565300 jmdict A [id=2184621]
唸る[ichi1]；呻る[rK]
うなる[ichi1]
[1][v5r,vi]
  to groan; to moan
[2][v5r,vi]
  to roar; to howl; to growl
[3][v5r,vi]
  to hum (engine, wind, etc.); to buzz; to whiz; to sough; 
  [expl] to make a low, dull sound
[4][v5r,vi]
  to ooh and aah (in admiration)
[5][v5r,vt]
  to sing in a strong, low voice (esp. traditional chant or recitation)
[6][v5r,vi]
  to be about to burst; to overflow