Medical Dictionary portacaval adjective por·ta·ca·val \ ˌpȯrt-ə-ˈkā-vəl \ Trending Now: More Trending: symbiote charlatan lowlife kakistocracy slimeball SEE ALL See What's Trending Now See More Trending Words What's Trending Now More Trending Words symbiote 'an organism living in symbiosis' charlatan 'faker or fraud' lowlife 'a person of low moral character' kakistocracy 'government by the worst people' slimeball 'a morally repulsive or odious person' SEE ALL medical Definition of portacaval : extending from the portal vein to the vena cava portacaval anastomosis Seen and Heard What made you want to look up portacaval? Please tell us where you read or heard it (including the quote, if possible). show hide