Car″di‐ac (?), a. [L. cardiacus, Gr. �, fr. � heart: cf. F. cardiaque.] 1. (Anat.) Pertaining to, resembling, or hear the heart; as, the cardiac arteries; the cardiac, or left, end of the stomach.
2. (Med.) Exciting action in the heart, through the medium of the stomach; cordial; stimulant.
Cardiac passion(Med.) cardialgia; heartburn. — Cardiac wheel. (Mach.) See Heart wheel.