superior vena cava


Definition of superior vena cava

: the branch of the vena cava of a vertebrate that brings blood back from the head and anterior part of the body to the heart

Examples of superior vena cava in a Sentence

Recent Examples on the Web The inferior vena cava and superior vena cava carry blood to the heart. Scott Springer,, "Heart & Hustle: Layne 'The Train' Todd keeps rolling at CNE," 1 Nov. 2017

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

First Known Use of superior vena cava

1875, in the meaning defined above

Keep scrolling for more

Learn More about superior vena cava

Time Traveler for superior vena cava

Time Traveler

The first known use of superior vena cava was in 1875

See more words from the same year

Statistics for superior vena cava

Cite this Entry

“Superior vena cava.” Dictionary, Merriam-Webster, Accessed 5 Jul. 2020.

Keep scrolling for more

More Definitions for superior vena cava

superior vena cava


Medical Definition of superior vena cava

: a vein that is the second largest vein in the human body, is formed by the union of the two brachiocephalic veins at the level of the space between the first two ribs, and returns blood to the right atrium of the heart from the upper half of the body

More from Merriam-Webster on superior vena cava Encyclopedia article about superior vena cava

Comments on superior vena cava

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


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

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!