Crossing

(redirected from Crossings)
Also found in: Dictionary, Thesaurus, Medical, Legal, Idioms, Wikipedia.

crossing

1. a place, often shown by markings, lights, or poles, where a street, railway, etc., may be crossed
2. the intersection of the nave and transept in a church
3. the act or process of crossbreeding

Crossing

The square space of a cruciform church, created by the intersection of the nave and chancel with the transept. Intersection of two elements in the form of a cross, such as the ridges of a cross gable.

Crossing

 

a ventilation device installed in underground mine workings and designed to separate and isolate intersecting flows of air, such as fresh air and exhaust air. Depending on the airflow and period of service, crossings may be made of metal and concrete piping or in the form of a well-secured bypass shaft driven through the rock in the roof or soil of the bed.


Crossing

 

(also interbreeding or hybridizing), one of the methods of the selective breeding of plants and animals. Crossing is used to obtain hybrids and crossbreeds that represent the initial material in selection and culling for economically beneficial characteristics. It is also used in the development of new breeds and varieties.

The various systems of crossing can be classified in one of two categories: inbreeding and outbreeding. Variants of outbreeding include crossbreeding, incrossing (crossing inbred lines of the same breed or variety), incrossbreeding (crossing inbred lines of different breeds or varieties), topcross (crossing specially selected inbred male lines with outbred female lines), and more remote crossings. In animal breeding, crossing is understood to mean crossbreeding, which is divided into induced crossbreeding, reproductive crossing, grading up, and commercial crossbreeding. (See alsoHYBRIDIZATION.)


Crossing

 

in medieval, primarily Romanesque and Gothic, churches, the place where the nave and transept intersect.

crossing

1. In a church, the place where the nave and chancel cross the transept.
2. A painting technique whereby freshly applied paint is rebrushed at right angles to the direction of application and then rebrushed at right angles again to provide even distribution of paint over the surface.
3. Same as crossbanding.
References in classic literature ?
Waiting in the doorway of the building until I was assured that no one was approaching, I hurried across to the opposite side and through the first doorway to the court beyond; thus, crossing through court after court with only the slight chance of detection which the necessary crossing of the avenues entailed, I made my way in safety to the courtyard in the rear of Dejah Thoris' quarters.
For a time he passed room after room filled with the cunningly preserved dead of Manator, many of which were piled in tiers after the manner that firewood is corded, and as he moved through corridor and chamber he noticed hieroglyphics painted upon the walls above every opening and at each fork or crossing of corridors, until by observation he reached the conclusion that these indicated the designations of passageways, so that one who understood them might travel quickly and surely through the pits; but Turan did not understand them.
During that burning day when we were crossing Iowa, our talk kept returning to a central figure, a Bohemian girl whom we had known long ago and whom both of us admired.
In another instant the tree was deserted; the figures of the five millionaires of Devil's Ford, crossing the fierce glare of the open space, with boyish alacrity, glistened in the sunlight, and then disappeared in the nearest fringe of thickets.
But perhaps the mere crossing of Siberia in a sledge drawn by dogs as Ledyard did, or the taking a long solitary walk on an empty stomach, in the negro heart of Africa, which was the sum of poor Mungo's performances -- this kind of travel, I say, may not be the very best mode of attaining a high social polish.
The lower subdivided part, called the junk, is one immense honeycomb of oil, formed by the crossing and re-crossing, into ten thousand infiltrated cells, of tough elastic white fibres throughout its whole extent.
Here they turned towards the Euphrates, and crossing the river in a small boat, walked through that part of the town which lay along the further bank, without seeing anything to call for their interference.
I shall never forget the last glimpse which I had of the inn yard and its crowd of picturesque figures,all crossing themselves, as they stood round the wide archway, with its background of rich foliage of oleander and orange trees in green tubs clustered in the centre of the yard.
He might, perhaps, reckon on the arrival of trains at the designated hours, in Europe, where the distances were relatively moderate; but when he calculated upon crossing India in three days, and the United States in seven, could he rely beyond misgiving upon accomplishing his task?
After crossing a river, you should get far away from it.
They urged this advice with great earnestness; declaring that their chief would be extremely angry, and treat them severely, should any of the horses of his good friends, the white men, be lost, in crossing under their guidance; and that, therefore, it was good they should not attempt it.
This was charming, no doubt; but they shortly found out That the Captain they trusted so well Had only one notion for crossing the ocean, And that was to tingle his bell.