the sounds of knocking or tapping made without any apparent physical agency while a group of people sit round a table, and attributed by spiritualists to the spirit of a dead person using this as a means of communication with the living
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for table-rapping

  • In the case of table-rapping there are movements of the hands, in our case there are those of the head.

    Clever Hans|Oskar Pfungst
  • "Tell me some of those incomprehensible stories about table-rapping," said Lady Glenalvon.

    Kenelm Chillingly, Complete|Edward Bulwer-Lytton
  • The following are specimens of these table-rapping communications.

    Mysterious Psychic Forces|Camille Flammarion