coronary artery

noun Anatomy.

either of two arteries that originate in the aorta and supply the heart muscle with blood.

Nearby words

  1. coronal suture,
  2. coronarism,
  3. coronaritis,
  4. coronary,
  5. coronary arteries,
  6. coronary artery disease,
  7. coronary bypass,
  8. coronary bypass surgery,
  9. coronary care unit,
  10. coronary cataract

Origin of coronary artery

First recorded in 1735–45; so called from its crownlike envelopment of the heart Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for coronary artery

coronary artery


either of two arteries branching from the aorta and supplying blood to the heart
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for coronary artery

coronary artery


An artery with origin in the right aortic sinus; with distribution to the right side of the heart in the coronary sulcus, and with branches to the right atrium and ventricle, including the atrioventricular branches and posterior interventricular branch; right coronary artery.
An artery with its origin in the left aortic sinus; with distribution into two major branches, the anterior interventricular, which descends in the anterior interventricular sulcus, and the circumflex branch, which passes to the diaphragmatic surface of the left ventricle, and with the atrial, ventricular, and atrioventricular branches; left coronary artery.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for coronary artery

coronary artery

Either of two arteries that originate in the aorta and supply blood to the muscular tissue of the heart.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.