1416170 jmdict A [id=2165068]
叩く[ichi1]；敲く[rK]
たたく[ichi1]
[1][v5k,vt]
  to strike; to hit; to beat; to knock; to pound; to bang; to slap; to spank; to tap; to pat; to clap (one's hands); to play (the drums)
[2][v5k,vt]
  to attack; to bash; to criticize; to censure; to flame (on the Internet)
[3][v5k,vt]
  to sound out (someone's views)
[4][v5k,vt]
  to pound (meat or fish); to chop into small pieces
[5][v5k,vt]
  to beat down the price
[6][v5k,vt]
  [note="as ...口を叩く"]
  to talk (big, bad, idly, etc.)
[7][v5k,vt][fld=comp]
  to call; to invoke (e.g. a function)