port

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por·tal

(pōr'tăl),
1. Relating to any porta or hilum, specifically to the porta hepatis and the portal vein.
2. The point of entry into the body of a pathogenic microorganism.
Synonym(s): port
[L. portalis, pertaining to a porta (gate)]
Alcohol noun A fortified wine—i.e., with alcohol added—from the Douro Valley in northern Portugal which reaches 19–20% by volume (normally wine ranges from 11% to 13.5%. It is typically red and sweet, but also comes in dry, semi-dry and white varieties
Informatics (1) noun Most generally, a place where information goes into or out of a computer, or both (2) Internet noun A number that is part of a URL, appearing after a colon (:) right after the domain name; every service on an Internet server listens on a particular port number on that server. Most services have standard port numbers—e.g., Web servers normally listen on port 80; services can also listen on non-standard ports, in which case the port number must be specified in a URL when accessing the server(3) verb To translate software from one platform—e.g., Windows—to another—e.g., Apple’s OS X
Radiation oncology Field, portal The site on the skin where the radiation enters the body

port

Radiation oncology Field, portal The site on the skin where the radiation enters the body. See Mantle port, Radiation oncology, Subcutaneous port, Venous port.

por·tal

(pōr'tăl)
1. Relating to any porta or hilus, specifically to the porta hepatis and the portal vein.
2. The point of entry into the body of a pathogenic microorganism.
3. Synonym(s): field size. Synonym(s): port.
[L. portalis, pertaining to a porta (gate)]

port,

n in radiology, the opening through which radiographic photons or the useful beam of radiation exits from the head of a dental radiography machine.

port

the upward curve in a bar bit on a horse's bridle.
References in periodicals archive ?
And concealed return-fire gun ports which would allow a bodyguard to shoot back at attackers.
It has a crenellated wall, gun ports and a chain which used to go across the lagoon to block the entrance to Venice 400 years ago.
They weigh three tonnes each and are equipped with gun ports, air filter system and supplies of blood.
The shipyards and coastal ports of the Bay of Biscay spun a rich hybrid technology: by 1304 Venetians, Genoese, and Catalans had adopted the coca or cog from the Bay of Biscay and with it a stern rudder, known as the Bayonne tiller; the caravel comes off this coast and a shipbuilder from Brest is credit with cutting the first gun ports in the flank of a ship.
Gun ports (in all 4 directions) allow for accurate return fire as soldiers have full view of gun sites and surrounding area through the armored windows.
Unfortunately, the Mary Rose sank after being overturned by a gust of wind, water entering its open gun ports.
Around 25 years later Henry VIII began building artillery fortifications and Harbottle was supplied with gun ports, some of which survive today.