Brudzinski's sign

[brōō-jĭnskēz]
n.
  1. An indication of meningitis in which passive flexion of the leg on one side causes a similar movement in the opposite leg.
  2. Such an indication in which passive flexion of the neck causes flexion of the legs.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.