n.
Sexual gratification derived from inflicting or experiencing pain.
[New Latin : ALGO- + Greek lagneia, lust (from lagnos, lustful).]
algolagnic al'go·lag'nic adj.algolagnist al'go·lag'nist n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.