Definition of table-rapping in US English:

table-rapping

noun

Spiritualism
  • The production of rapping or knocking sounds, attributed to spirits attempting to communicate, especially on a table during a seance; (also more generally) spiritualism, the practice of attempting to communicate with spirits.

adjective

Spiritualism
  • That practises or engages in table-rapping.

Origin

Mid 19th century; earliest use found in Bible & People. From table + rapping<br>mid 19th century. From table + rapping, after table-rapping.

Pronunciation

table-rapping

/ˈteɪblˌrapɪŋ/