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,, 1 Nov. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'superior vena cava.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1875, in the meaning defined above

Time Traveler
The first known use of superior vena cava was in 1875

Dictionary Entries Near superior vena cava

Cite this Entry

“Superior vena cava.” Dictionary, Merriam-Webster, Accessed 14 Jun. 2024.

Kids Definition

superior vena cava

: the branch of the vena cava that returns blood to the heart from the upper or front part of the body including the head and front limbs

Medical Definition

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

Love words? Need even more definitions?

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