Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun precava

1 sense of precava

Sense 1
superior vena cava, precava -- (receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins)
       => vena cava -- (either of two large veins that return oxygen-depleted blood to the right atrium of the heart)