A form of tetanic spasm in which the neck, limbs, and body are held fixed in a straight line.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for orthotonos
Sometimes all the muscles simultaneously become rigid, so that the body assumes a statuesque attitude (orthotonos).Manual of Surgery|Alexis Thomson and Alexander Miles