| cardiac arrest | |
| —n | |
| failure of the pumping action of the heart, resulting in loss of consciousness and absence of pulse and breathing: a medical emergency requiring immediate resuscitative treatment | |
| a fool or simpleton; ninny. |
| a gadget; dingus; thingumbob. |
cardiac arrest n.
Abbr. CA A sudden cessation of cardiac function, resulting in loss of effective circulation.