Webster's English Dictionary

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coronary

1. cor.o.nary \'ko.r-*-.ner-e-, 'ka:r-\ aj 1: of, relating to, or being a 
   crown or coronal  2a: resembling a crown or circlet esp. in encircling 
   another body part  2b: relating to or being the coronary arteries or veins 
   of the heart; b roadly : of or relating to the heart
2. coronary n 1: a coronary artery or vein  2: CORONARY THROMBOSIS