Caulk
To fill a joint, crack, etc., with caulking. *
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Caulking
A resilient mastic compound, often having a silicone, bituminious, or rubber base; used to seal cracks, fill joints, prevent leakage and/or provide waterproofing. *
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Cavity Wall
An exterior wall, usually of masonry, consists of an outer and inner with separated by a continuous air space, but connected together by wire or sheet-metal ties. The dead air space provides improved thermal insulation. *
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Chimney
An incombustible vertical structure containing one or more flues to provide draft for fireplaces and to carry off gaseous productsof combustion to the outside air from fireplaces, furnaces, or boilers.
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Collar Beam
A roof supported by rafters tied together by collar beams. *
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Collar Joint
1. The joint between a roof rafter and a collar beam.
2. The vertical joint between masonry withes. *
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Common Bond 
A bond in which every fifth or sixth course consists of headers, the other course being stretchers. Widely used because such brick work can be laid quickly. *
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Common Brick
Brick for building purposes, not esp. treated for texture or color. *
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Concave Joint
Recessed masonry joint, formed in mortar by use of a curved steel joining tool; because of its curved shape it is very effective in resisting rain penetration; used in areas subjected to heavy rains and high winds. *
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Concrete
A composite material which consists essentially of a binding medium within which are embedded particles or fragments of aggregate; in portland cement concrete, the binder is a mixture of portland cement and water. *
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Concrete Masonry Units
A block or brick cast of portland cement and suitable aggregate, with or without admixtures and intended for lying up with other units as in normal stone masonry construction. *
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Construction
1. All the on-site work done in building or altering structures, from land clearance through completion, including excavation, erection, and the assembly and installation of components and equipment.
2. A structure.
3. The manner in which something is built. *
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Construction Joints
1. A joint where two successive placements meet.
2. A separation provided in a building which allows its component parts to move with respect to each other. The cause of such movement may be thermal, seismic, or wind loading. *
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Control Joint
A groove which is formed, sawed, or tooled in a concrete or masonry structure to regulate the location and amount of cracking and separation resulting from the dimensional change of different parts of the structure, thereby avoiding the development of high stresses. *
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Corbel
1. In masonry, a projection or one of a series of projections, each stepped progressively farther forward with height; anchored in wall, story, column or chimney; used to support an overhanging member above or, if continuous, to support overhanging courses; may support an ornament of similar appearance.
2. A projecting stone which supports a superincumbent weight. *
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Coursed Stone Masonry
Masonry construction in which the stones are laid in regular courses, not irregularly as in rough or random rubble. *
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