horror chamber

plural horror chambers

1. chamber of horrors

   Briefly, the characteristic symptoms that appear in peyotl intoxication are visual hallucinations and delusions, associated with "horror chambers".

   1961, Harry E. Wedeck, Dictionary of Aphrodisiacs, New York: The Citadel Press, page 155

   1 more example

   I have nothing to say of the hundreds of minor churches; they are in the lowest style of vulgarly ornate decoration, and abound in sensational wax figures and tinsel ornament; the horror chamber in Baker Street would soothe the feelings after a visit to some of these shrines.

   1882, Walter Coote, Wanderings, South and East, London: Sampson Low, Marston, Searle and Rivington, page 308