attrib.
1
- of or relating to the heart（与）心脏（有关）的：
a cardiac arrest.
一次心脏停搏。
2
- of or relating to the part of the stomach nearest the oesophagus（与）贲门（有关）的。
- Medicine, informal a person with heart disease【医】〈非正式〉心脏病患者。
词源
late Middle English (as a noun denoting heart disease)： from French cardiaque or Latin cardiacus, from Greek kardiakos, from kardia 'heart or upper opening of the stomach'. The adjective dates from the early 17th cent.