Etymology From Middle French cardiaque, from Latin cardiacus, from Ancient Greek καρδιακός (kardiakós, “relating to the heart”), from καρδία (kardía, “heart”); by surface analysis, cardi- + -ac.
1
Biology, Medicine, Natural sciences, Sciences Pertaining to the heart.
the cardiac arteries
2
Biology, Medicine, Natural sciences, Sciences Pertaining to the cardia of the stomach; cardial (cardial is the usual adjective in this sense).
3
Medicine, SciencesArchaic Exciting action in the heart, through the medium of the stomach; cordial; stimulant.
Etymology From Middle French cardiaque, from Latin cardiacus, from Ancient Greek καρδιακός (kardiakós, “relating to the heart”), from καρδία (kardía, “heart”); by surface analysis, cardi- + -ac.