Sensurround

noun

trademark a sound reproduction system used esp in cinemas, in which low-frequency output causes bodily sensations in the audience, resulting in a feeling of involvement in the film

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

Word Origin and History for sensurround

Sensurround

1974, proprietary name for movie special effects apparatus, coined from sense (n.) + surround.