Architectural and Engineering Glossary
B
See bolection molding.
A bowstring roof.
A plumbing fixture consisting of a deep sided basin,often made of stoneware,with a water supply and drain.
A bowstring truss,for large spans,which is constructed entirely of timber components;the upper member is bent,and the lower member is horizontal.
1.A bell tower,either attached to a church or standing alone.2.A timber frame work in a steeple that supports a bell.
A small belfry astride the ridge of a church roof,often crowned with a small spire.
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A round arch supported on large corbels,giving rise to a bell shaped appearance.
The timber framework which supports the bells in a belfry or steeple.
A gable roof to shelter a bell.
1.A bell-shaped capital.2.The bell shaped core of a Corinthian capital to which the leaves and volutes appear to be attached.
The belfry floor above the lower rooms in a tower.
A wall gable having one or more openings for bells.
A tower-like building for housing bells,esp.in Ireland.
See bell-and-spigot joint.
A device once used to summon servants in an elegant home;in each room,the bell pull consisted of a small handle connected to a wire that was mechanically connected to a bell in the servants’ quarters.Thus,a pull on the handle rang a bell in the servants’quarters; each bell pull produced a sound of different pitch,identifying the room calling for service.
A roof having a cross section similar to that of a bell,flaring out at its lower edge.
A tall structure supporting one or more bells;may be part of a building or an independent structure;also see belfry.
A small transformer which supplies power,at low voltage,for operating a doorbell or the like.
A type of bell-shaped trap used in floor drains;its use is prohibited by the National Plumbing Code.
A small tower,usually topped with a spire or pinnacle,and containing one or more bells.
Small-diameter wire of low current carrying capacity;covered with insulating material rated at 30 volts or less.
Same as flared eaves.
Same as a bell roof.
A caisson having an enlarged base.
A part of a shaft or footing excavation,usually near the bottom and bell- shaped.
A pier having an enlarged end at the bottom of its shaft,often in the shape of a bell-like truncated cone.
See bolection molding.
A bell-shaped floral ornament;commonly,one of a string of such decorative elements.
Having a convex or bulging form.
In pier,caisson,or pile construction enlarging the base of a foundation element to increase its bearing area at the bearing stratum.
In a run of piping,a joint formed with flexible metal bellows which compress or stretch to compensate for linear expansion or contraction of the run of piping.
Recessed below ground level.
In the basement.
A power driven endless belt that runs on idler wheels;used to carry building materials, etc.
1.A horizontal band of masonry extending horizontally across the façade of a building and occasionally encircling the entire perimeter;usually projects beyond the face of the building and may be molded or richly carved.Also called a stringcourse or band course; called a sill course if set at windowsill level.2.A horizontal board across front face or around a building,often having a molding.
A machine used in excavation;a layer of earth is removed with a cutting edge or rotating auger;then the excavated material is elevated by means of a conveyor belt so that it can be loaded into a hauling unit;a separate prime mover usually is required to move the machine forward.
A portable tool having a powerdriven abrasive-coated continuous belt;used to smooth surfaces.
Any machine powered by an external source connected to the machine by one or more belts.
One of the stones in a belt course.
1.A transverse space in a church a few steps above the floor of the nave and aisles,and separating them from the apse.2.In a synagogue,a raised pulpit from which the Torah (Holy Bible) is read.
Same as diaconicon,1.
1.A long seat,usually of wood,with or without a back,usually for several persons.2.A berm,6.3.Same as pretensioning bed.
A bench-mounted machine used for bending sheet metal.
A terminal wood facing on a church pew,often decorative.
Any device used on a carpenter’s bench to keep work from moving toward the rear of the bench.
In surveying,a marked reference point on a permanent,fixed object,such as a metal disk set in concrete,whose elevation (above or below an adopted datum) is known and from which the elevation of other points or objects may be determined.
A plane,1used primarily in benchwork on flat surfaces,as a block plane or jack plane.
A stationary power tool (usually mounted on a table or stand) which is equipped with a rotating abrasive disk or belt;used to smooth surfaces of material held against it.
Same as stake.
A bench hook which is used to fasten work in place,often by means of a screw.
