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. [Archaic] -- Cardiac
wheel. (Mach.) See Heart
wheel.
Car"di*ac n. (Med.) A
medicine which excites action in the stomach; a
cardial.