noun🔗ShareA poisonous compound present in the foxglove (Digitalis lanata) and other plants. It is a steroid glycoside and is used in small doses as a cardiac stimulant."The doctor prescribed a low dose of digoxin to help control the patient's irregular heartbeat and strengthen their heart contractions. "medicinecompoundsubstanceplantchemistrybiochemistrybiologyphysiologyChat with AIVocabulary GamePractice Reading