portal

I. noun Etymology: Middle English, from Anglo-French, from Medieval Latin portale city gate, porch, from neuter of portalis of a gate, from Latin porta gate — more at port Date: 14th century 1. door, entrance; especially a grand or imposing one 2. the whole architectural composition surrounding and including the doorways and porches of a church 3. the approach or entrance to a bridge or tunnel 4. a communicating part or area of an organism; specifically the point at which something (as a pathogen) enters the body 5. a site serving as a guide or point of entry to the World Wide Web and usually including a search engine or a collection of links to other sites arranged especially by topic II. adjective Etymology: New Latin porta transverse fissure of the liver, from Latin, gate Date: 1845 1. of or relating to the transverse fissure on the underside of the liver where most of the vessels enter 2. of, relating to, or being a portal vein or a portal system <

portal circulation

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