D defs.my
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Entry 3 senses · 2 variants Webster, 1913

Cathartic

/kəth-är'-tĭk/ · Ca·thar·tic · IPA /kəˈθɑɹtɪk/
01 a. Cleansing the bowels; promoting evacuations by stool; purgative.
  1. 1.
    Cleansing the bowels; promoting evacuations by stool; purgative.(Med.)
  2. 2.
    Of or pertaining to the purgative principle of senna, as cathartic acid.
02 n. A medicine that promotes alvine discharges; a purge; a purgative of moderate activity.
  1. 1.
    A medicine that promotes alvine discharges; a purge; a purgative of moderate activity.(Med.)