Meaning of cardiac glycoside

car'diac gly'coside

Pronunciation: [key]
— Pharm. Pharm.
  1. any of a group of drugs used to stimulate the heart in cases of heart failure, obtained from a number of plants, as the foxglove, squill, or yellow oleander.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.