spasticity

from WordNet (r) 3.0 (2006)

spasticity
    n 1: the quality of moving or acting in spasms

from The Collaborative International Dictionary of English v.0.48

Spasticity \Spas*tic"i*ty\, n.
   1. A state of spasm.
      [1913 Webster]

   2. The tendency to, or capability of suffering, spasm.
      [1913 Webster]