Calumba /(?)/

Ca·lum·ba

Calumba

n.
  1. The root of a plant (Jateorrhiza Calumba, and probably Cocculus palmatus), indigenous in Mozambique. It has an unpleasantly bitter taste, and is used as a tonic and antiseptic. (Med.)

Phrases & Compounds
American calumba
the Frasera Carolinensis, also called American gentian. Its root has been used in medicine as bitter tonic in place of calumba.