vena cava

1. 1.

   either of two large veins that return oxygen-depleted blood to the right atrium of the heart

   Broadervein

   Narrowerinferior vena cavasuperior vena cava

Questions about vena cava

What does vena cava mean?

vena cava means "either of two large veins that return oxygen-depleted blood to the right atrium of the heart".

Is vena cava a common word?

vena cava is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.