/kahr"dee ak'/ , adj.
1. of or pertaining to the heart: cardiac disease.
2. of or pertaining to the esophageal portion of the stomach.
n.
3. Med. a cardiac remedy.
4. a person suffering from heart disease.
[ 1400-50; late ME ( cardiaque ) cardiacus kardiakós, equiv. to kardí ( a ) HEART + -akos -AC ]