I. cor ‧ o ‧ na ‧ ry 1 /ˈkɒrən ə ri $ ˈkɔːrəneri, ˈkɑː-/ BrE AmE adjective
[ Date: 1600-1700 ; Language: Latin ; Origin: coronarius 'like a crown' , from corona ( ⇨ ↑ crown 1 ); because the blood-tubes coming out of the top of the heart look like a crown ]
relating to the heart SYN cardiac :
coronary disease
II. coronary 2 BrE AmE noun ( plural coronaries ) [countable] informal
if someone has a coronary, their heart suddenly stops working because the flow of blood to it has been blocked by a small piece of solid blood SYN heart attack