{ Ca‐thar″tic (?), Ca‐thar″ic‐al (?), } a. [Gr. �, fr. � to cleanse, fr. � pure; akin to F. chaste.] 1. (Med.) Cleansing the bowels; promoting evacuations by stool; purgative.
2. Of or pertaining to the purgative principle of senna, as cathartic acid.