Noun

(en noun)

A grandiose and often lavish entrance.

* Milton

Thick with sparkling orient gems / The portal shone.

An entrance, entry point, or means of entry.

The local library, a portal of knowledge.

(Internet) A website that acts as an entrance to other websites on the Internet.

The new medical portal has dozens of topical categories containing links to hundreds of sites.

(anatomy) A short vein that carries blood into the liver.

(fiction) A magical or technological leading to another location, period in time or dimension.

(architecture) A lesser gate, where there are two of different dimensions.

(architecture) Formerly, a small square corner in a room separated from the rest of an apartment by wainscoting, forming a short passage to another apartment.

(bridge-building) The space, at one end, between opposite trusses when these are terminated by inclined braces.

A prayer book or breviary; a portass.

Noun

(en noun)

Something that one uses to achieve an objective, e.g. raw materials or personnel.

*{{quote-magazine, year=2013, month=September-October, author= Michael Sivak

, magazine=(American Scientist), title= Will AC Put a Chill on the Global Energy Supply? , passage=Nevertheless, it is clear that the global energy demand for air-conditioning will grow substantially as nations become more affluent,

A person's capacity to deal with difficulty.

* , chapter=17

, title= The Mirror and the Lamp , passage=This time was most dreadful for Lilian. Thrown on her own resources and almost penniless, she maintained herself and paid the rent of a wretched room near the hospital by working as a charwoman, sempstress, anything. In a moment she had dropped to the level of a casual labourer.}}