Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

vena cava

play
noun ve·na ca·va \ˌvē-nə-ˈkā-və\

Medical Definition of vena cava

plural ve·nae ca·vae \-ni-ˈkā-(ˌ)vē\play

  1. :  either of two large veins by which the blood is returned to the right atrium of the heart:a:  inferior vena cavab:  superior vena cava

  2. vena ca·val \-vəl\play adjective




Learn More about vena cava


Seen and Heard

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

WORD OF THE DAY

February 7, 2016

a slight offense

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

kittly-benders spindrift duvet pince-nez
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ