PORTAL, n. In architecture, a little gate, where there are two gates of different dimensions. 1. A little square corner of a room, separated from the rest by a wainscot, and forming a short passage into a room. 2. A kind of arch of joiner's work before a door. 3. A gate; an opening for entrance; as the portals of heaven.
n 1: a grand and imposing entrance (often extended metaphorically); "the portals of the cathedral"; "the portals of heaven"; "the portals of success" 2: a site that the owner positions as an entrance to other sites on the internet; "a portal typically has search engines and free email and chat rooms etc." [syn: portal site, portal] 3: a short vein that carries blood into the liver [syn: portal vein, hepatic portal vein, portal, vena portae]
I. nounEtymology: 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 portDate: 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. adjectiveEtymology: 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>
1. n. a doorway or gate etc., esp. a large and elaborate one. Etymology: ME f. OF f. med.L portale (neut. adj.): see PORTAL(2) 2. adj. 1 of or relating to an aperture in an organ through which its associated vessels pass. 2 of or relating to the portal vein. Phrases and idioms: portal vein a vein conveying blood to the liver from the spleen, stomach, pancreas, and intestines. Etymology: mod.L portalis f. L porta gate
Portal Por"tal, n. [OF. portal, F. portail, LL. portale, fr. L. porta a gate. See Port a gate.] 1. A door or gate; hence, a way of entrance or exit, especially one that is grand and imposing. Thick with sparkling orient gems The portal shone. --Milton. From out the fiery portal of the east. --Shak. 2. (Arch.) (a) The lesser gate, where there are two of different dimensions. (b) Formerly, a small square corner in a room separated from the rest of the apartment by wainscoting, forming a short passage to another apartment. (c) By analogy with the French portail, used by recent writers for the whole architectural composition which surrounds and includes the doorways and porches of a church. 3. (Bridge Building) The space, at one end, between opposite trusses when these are terminated by inclined braces. 4. A prayer book or breviary; a portass. [Obs.] Portal bracing (Bridge Building), a combination of struts and ties which lie in the plane of the inclined braces at a portal, serving to transfer wind pressure from the upper parts of the trusses to an abutment or pier of the bridge.
Portal Por"tal, a. (Anat.) Of or pertaining to a porta, especially the porta of the liver; as, the portal vein, which enters the liver at the porta, and divides into capillaries after the manner of an artery. Note: Portal is applied to other veins which break up into capillaries; as, the renal portal veins in the frog.
(portals) 1. A portal is a large impressive doorway at the entrance to a building. (LITERARY) I went in through the royal portal.N-COUNT 2. On the Internet, a portal is a site that consists of links to other websites. (COMPUTING) N-COUNT