Definition of Catacrotic
1. a. 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.
Medical Definition of Catacrotic
1. Denoting a pulse tracing in which the downstroke is interrupted by one or more upward waves. (05 Mar 2000)