The American Heritage® Dictionary of the English Language, 4th Edition
n. The combination of sadism and masochism, in particular the deriving of pleasure, especially sexual gratification, from inflicting or submitting to physical or emotional abuse.
n. The practices of sadism and masochism collectively, usually in reference to consensual practices within the BDSM community.
n. Sadism and masochism in one person; the enjoyment by a person of both inflicting and receiving pain.
n. Sadomasochism for sexual gratification.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. sadism and masochism combined in one person
Word Usage
"Today, Mapplethorpe probably is best known for his lush black-and-white photographs of flowers, celebrities — and male nudes engaged in sadomasochism, which fueled debates about public funding for the arts."