opisthotonos Meaning, Definition & Usage

  1. noun severe spasm in which the back arches and the head bends back and heels flex toward the back

WordNet

Op`is*thot"o*nos noun
Etymology
NL., from Gr. backwards + a stretching.
Definitions
  1. (Med.) A tetanic spasm in which the body is bent backwards and stiffened.

Webster 1913