Definition of coronary adjective from the Oxford Advanced Learner's Dictionary

 

coronary

 adjective
adjective
BrE BrE//ˈkɒrənri//
 
; NAmE NAmE//ˈkɔːrəneri//
 
, NAmE//ˈkɑːrəneri//
 
(medical)
 
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connected with the heart, particularly the arteries that take blood to the heart coronary (heart) disease a coronary patient (= somebody suffering from coronary disease) He had collapsed and died of a massive coronary. Word Origin mid 17th cent. (in the sense ‘resembling a crown’): from Latin coronarius, from corona ‘wreath, crown’.
See the Oxford Advanced American Dictionary entry: coronary