The production of raps or knocking sounds on a table without apparent physical means; by spiritualists ascribed to the agency of departed spirits, and used as a supposed means of communication with them.
1840. D. Carter, Rhaiadr Gwy, Pref. xvi. Nor shall I be with you bodily but simply spiritually, the which our table-rapping friends will find no mystery.
1858. Hawthorne, Fr. & It. Note-Bks., II. 141. He made his communication by means of table-rapping.
1860. All Year Round, No. 64. 328. His aunt, who almost made a profession of table-rapping, who kept a journal of her spiritual experiences.
