Architectural and Engineering Glossary
B
See cased frame.
Same as box gutter.
A hollow mullion which houses sash counterweights in a window frame;built up from boards so as to provide a solid appearance.
A piece of lumber cut so as to enclose the soft central core (i.e.the pith) within the four faces of the piece.
Same as boxing shutter.
Same as box stair.
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Same as close string.
A window shutter which can be folded into the boxing or recess at the side.
A staircase whose entrance is concealed behind a door next to a fireplace;sometimes architecturally balanced by a pantry door on the opposite side of the fireplace;often found in elegant homes in the 18th and 19th centuries.
A fine grained,very hard,dense wood,white to light yellow in color;esp.used for turned work and inlay.
On drawings,abbr.for bedroom.
Abbr.for British Standard.
A projecting metal bracket,having a socket and ring for holding a flagstaff,torch,or the like;esp.used on Renaissance palaces in Florence and Siena.
A block of wood used to lock in place adjacent layers of a built up wood beam.
The molding formed by joining two ogees with the convex ends together and in section resembling the brace used as a symbol in printing.Also see keel molding.
A mantelpiece.
See batter pile.
A table indicating the length of hypotenuses for right isosceles triangles with legs of various lengths;used by carpenters in cutting wood braces to length.
Strengthened or well interlaced and linked together by bracing.
An openwork truss in the form of an arch.
See framed door.
An excavation whose perimeter is retained by sheeting.
See cull.
A metal baluster whose base is bent at right angles and built into the string of a masonry stair.
1.A capital extended by brackets,lessening the clear span between posts,often seen in Near Eastern,Muslim,Indian,and some Spanish architecture.2.Same as bolster, 1.
One of a series of piles which are driven into the ground adjacent to a foundation to support it; brackets,which are welded to the piles,and which extend under the foundation,transfer the structural load from the foundation to the piles.
A handsaw used for cutting curved shapes.
A scaffold which is supported by metal brackets which are attached to the building.
A stop valve whose body incorporates a supporting bracket for piping which it controls.
A deep cornice supported by a series of decorative brackets,often in pairs.
See eaves bracket.
A projecting surface over a window or door that is supported by brackets;provides some shelter or serves as ornamentation.
A flight of open string stairs;one with decorative brackets on the exposed outer string and under the return nosing of treads.
An open string having, secured to its face,bracket-shaped pieces which appear to support the overlapping treads.
A term occasionally used for the Italianate style.
1.Any system of brackets.2.An arrangement of wooden brackets employed as a skeleton support to plasterwork,moldings,or other plaster ornamental details.
1.A small finishing nail,usually of the same thickness throughout,with a head that is almost flush with the sides or a head that projects slightly to one side. 2.A tapering,square-bodied finishing nail with a countersunk head.
A small awl used to make starter holes for brads or screws.
A nail set for small finishing nails or brads.
A tool used to hold and insert a brad into the surface of wood in an inaccessible location.
See brad punch.
A corbel.
Same as guilloche.
An electrical conductor which is composed of many fine wires braided or twisted together.
In Medieval architecture,an outer enceinte,2 consisting of a palisade or low masonry wall on the counterscarp of a ditch.
The useful mechanical power supplied by an engine as determined by a friction brake or an absorption dynamometer that is applied to the shaft or fly wheel of the engine.
In plumbing,a pipe which originates in or discharges into a main,submain,riser,or stack.
A plumbing fitting in a line which is at an angle to the main pipeline,usually at a right angle.
The portion of an electric wiring system that extends beyond the final overcurrent device (such as a fuse) protecting the circuit.
In a lightning protection system,a conductor that branches off at an angle from a continuous run of the conductor.
