adjective Anatomy.

of or relating to the atria and ventricles of the heart. Abbreviation: AV, A-V

Nearby words

  1. atriocarotid interval,
  2. atriomegaly,
  3. atrioseptopexy,
  4. atrioseptoplasty,
  5. atrioseptostomy,
  6. atrioventricular block,
  7. atrioventricular bundle,
  8. atrioventricular canal,
  9. atrioventricular canal cushion,
  10. atrioventricular conduction

Origin of atrioventricular

1855–60; < New Latin atrio- (combining form of atrium heart chamber; see atrium, -o-) + ventricular Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for atrioventricular


adjective anatomy

of, relating to, or affecting both the atria and the ventricles of the heartatrioventricular disease

Word Origin for atrioventricular

C19: from atrio-, from New Latin atrium heart chamber (see atrium) + ventricular

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 atrioventricular




Of or relating to the atria and the ventricles of the heart.

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