cardiac

Etymology

From Middle French cardiaque, from Latin cardiacus, from Ancient Greek καρδιακός (kardiakós, “relating to the heart”), from καρδία (kardía, “heart”).

adj

1. (biology, medicine) Pertaining to the heart.
   the cardiac arteries
2. (biology, medicine) Pertaining to the cardia; cardial">cardial (cardial">cardial is the usual adjective in this sense).
3. (medicine, archaic) Exciting action in the heart, through the medium of the stomach; cordial; stimulant.

noun

1. A person with heart disease.
2. (dated) Heart disease.
3. (medicine) A medicine that excites action in the stomach.