pillar


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pillar,

freestanding columnar supporting member. It is a general term, little used as an exact architectural definition except as applied to an upright support in the medieval styles, consisting of an assemblage of juxtaposed shafts and moldings; unlike the column, it does not adhere to the rules of the orders of architectureorders of architecture.
In classical tyles of architecture the various columnar types fall, in general, into the five so-called classical orders, which are named Doric, Ionic, Corinthian, Tuscan, and Composite.
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Pillar

A column or post supporting an arch or other superimposed load. Clustered or compound pillars consist of a central shaft with smaller shafts that are grouped around it.

Pillar

 

part of a bed or seam of a mineral that is left untouched when working a deposit in order to support the roof and protect mine excavations and surface structures.

Based on their purposes various types of pillars are distin guished: protective pillars (between levels, above and below drifts, between chambers), which protect objects during mining operations; fire safety pillars, which separate individual parts of the mine field from one another and help contain the fire, should it begin, within small areas; barrier pillars, which prevent surface or subterranean waters, gases, or loose silt from an excavation or unused mine from entering working mines; and support pillars, which prevent the rocks of the roof of the seam or ore body from caving in into an excavated area. The pillar size depends on the mining-geological conditions and the purpose of the pillar and is built according to standard guidelines.

pillar

[′pil·ər]
(civil engineering)
A column for supporting part of a structure.
(geology)
A natural formation shaped like a pillar.
A joint block produced by columnar jointing.
(mining engineering)
An area of coal or ore left to support the overlying strata or hanging wall in a mine.

pillar

pillar: Perpendicular style
A column, pier, pilaster, or post that is capable of providing major vertical support.

pillar

1. an upright structure of stone, brick, metal, etc., that supports a superstructure or is used for ornamentation
2. a tall, slender, usually sheer rock column, forming a separate top
References in classic literature ?
They seemed distressed to find me, my arm against the overturned pillar, peering down the well.
D'Artagnan observed, on the bench nearest to the pillar against which Porthos leaned, sort of ripe beauty, rather yellow and rather dry, but erect and haughty under her black hood.
It would, he said, all come right some day, and Kim's horn would be exalted between pillars - monstrous pillars - of beauty and strength.
She ought to be set up on a high pillar for people that walk on the ground to raise their eyes up to.
Feeling sideways they encountered another tower-like pillar, square and uncompromising as the first; beyond it another and another.
On some columns the drops only fell once in two or three minutes, and in these cases it would be an interesting calculation to discover how long, at that rate of dripping, it would take to form a pillar, say eighty feet by ten in diameter.
A few paces distant, an enormous pillar, then another, then another; seven pillars in all, down the length of the hall, sustaining the spring of the arches of the double vault, in the centre of its width.
I have found one," said the giant, eagerly; "I will place myself in ambuscade behind the pillar with this iron bar, and invisible, unattackable, if they come in floods, I can let my bar fall upon their skulls, thirty times in a minute.
At a crossing we noticed, in the direction of the stockyards, a gigantic pillar of smoke.
After Jos went to Court, which we may be sure he did as a loyal subject of his Sovereign (showing himself in his full court suit at the Club, whither Dobbin came to fetch him in a very shabby old uniform) he who had always been a staunch Loyalist and admirer of George IV, became such a tremendous Tory and pillar of the State that he was for having Amelia to go to a Drawing-room, too.
So they go on; Deputy, as a rear rank one, taking open order, and invading the silence of the hour and place by stoning every wall, post, pillar, and other inanimate object, by the deserted way.
The huge round pillars were intact; so to some extent was the stone flagging of hall and portico.