|the largest tarsal bone, forming the prominence of the heel.|
|1.||of or relating to the heart|
|2.||of or relating to the portion of the stomach connected to the oesophagus|
|3.||a person with a heart disorder|
|4.||obsolete a drug that stimulates the heart muscle|
|[C17: from Latin cardiacus, from Greek, from kardia heart]|
cardiac car·di·ac (kär'dē-āk')
Of, near, or relating to the heart.
Of, near, or relating to the cardia.
|cardiac (kär'dē-āk') Pronunciation Key
Relating to or involving the heart.