Source : Webster's Revised Unabridged Dictionary (1913)

Catacrotic \Cat`a*crot"ic\, a. [Cata- + Gr. ? a beating.]
   (Physiol.)
   Designating, pertaining to, or characterized by, that form of
   pulse tracing, or sphygmogram, in which the descending
   portion of the curve is marked by secondary elevations due to
   two or more expansions of the artery in the same beat. --
   {Ca*tac"rotism}, n.