coronary sinus

noun

Definition of coronary sinus

: a venous channel that is derived from the sinus venosus, is continuous with the largest of the cardiac veins, receives most of the blood from the walls of the heart, and empties into the right atrium

First Known Use of coronary sinus

1831, in the meaning defined above

Keep scrolling for more

Learn More about coronary sinus

Time Traveler for coronary sinus

Time Traveler

The first known use of coronary sinus was in 1831

See more words from the same year

Statistics for coronary sinus

Cite this Entry

“Coronary sinus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coronary%20sinus. Accessed 7 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Keep scrolling for more

More Definitions for coronary sinus

coronary sinus

noun

Medical Definition of coronary sinus

: a venous channel that is derived from the sinus venosus, is continuous with the largest of the cardiac veins, receives most of the blood from the walls of the heart, and empties into the right atrium

More from Merriam-Webster on coronary sinus

Britannica.com: Encyclopedia article about coronary sinus

Comments on coronary sinus

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

WORD OF THE DAY

Test Your Vocabulary

Who Knew?

Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

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