atrio·​ven·​tric·​u·​lar | \ ˌā-trē-ō-ven-ˈtri-kyə-lər How to pronounce atrioventricular (audio) , -vən- \

Definition of atrioventricular

: of, relating to, or located between an atrium and ventricle of the heart

Examples of atrioventricular in a Sentence

Recent Examples on the Web Selah had a hole in her heart (complete atrioventricular canal defect) that was diagnosed before she was born. Sarah Schreiber, Good Housekeeping, "Twin Girls Who Were Conjoined at the Stomach Celebrate 2nd Birthday," 27 Oct. 2016 Sadie was born with complete atrioventricular canal defect —a large hole in the center of the heart —on Nov. 11, 2014, and underwent a pair of surgeries to repair the defect, Lee’or tells PEOPLE. Char Adams,, "Toddler Thriving After Getting World's Tiniest Heart Valve as Infant: We Knew 'She Could Die'," 10 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'atrioventricular.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of atrioventricular

1854, in the meaning defined above

History and Etymology for atrioventricular

New Latin atrium + English ventricular

Keep scrolling for more

Learn More about atrioventricular

Time Traveler for atrioventricular

Time Traveler

The first known use of atrioventricular was in 1854

See more words from the same year

Statistics for atrioventricular

Cite this Entry

“Atrioventricular.” Dictionary, Merriam-Webster, Accessed 3 Dec. 2020.

Keep scrolling for more

More Definitions for atrioventricular


atrio·​ven·​tric·​u·​lar | \ ˌā-trē-(ˌ)ō-ˌven-ˈtrik-yə-lər How to pronounce atrioventricular (audio) \

Medical Definition of atrioventricular

1 : of, relating to, or situated between an atrium and ventricle
2 : of, involving, or being the atrioventricular node

Comments on atrioventricular

What made you want to look up atrioventricular? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!