I. ˈkärdēˌak, ˈkȧd- adjective
Etymology: Latin cardiacus, from Greek kardiakos, from kardia heart
1.
a. : of, relating to, or acting on the heart : situated near the heart — see cardiac muscle
b. : of or relating to the cardia or sometimes to the whole stomach except the narrow part near the pyloric end
2. : of or relating to heart disease
cardiac patient
cardiac clinic
II. noun
( -s )
: a person with heart disease