The following terms define Building and Machine Partscable: heavy-duty rope of wire strands, usually wound together. cage: openwork structure or frame. Especially of bars or wires. caisson: underwater housing for structure or foundation. cantilever: extension of structural member beyond point of support. cap: tight-fitting cover or top. capstone: topmost stone in structure. carriage: movable machine part designed to carry or convey something. casing: trim or molding on doors or windows. caster: small, swiveling wheel used to support or move furniture and heavy objects. casting: part cast in mold. ceiling joist: horizontal support piece for ceiling. chain: rope or wire of connected metal links. chamfer: beveled edge or channel on piece of wood. channel: passageway, especially for gas or liquid; three-sided U-shaped element, usually metal. chase: venial groove in masonry wall for pipes, duets, or conduits: frame that holds paper in printing press. chassis: framework or support for working parts. chimney: vertical flue that draws often gases and heat from furnace or fireplace. chock: wedge of hard material that prevents movement or fills gap. chord: outside horizontal member of truss. chute: inclined or vertical downward passageway. clack valve: valve having hinged flap that permits flow in one direction only. clasp: fastener, especially dip. cleat: wood brace. clevis: U-shaped device with pin across opening. clew: metal loop fastened to corner of hung camas. cog: tooth or radial support on wheel or gear. coil: wire turned in loops. coil spring: wire spring coiled helically into conical or cylindrical shape. collar: ring or flange, especially on pipe, to connect parts or prevent sideward motion. collar beam: horizontal member placed between pair of opposing root ratters to stiffen roof. column: vertical structural support. common rafter: rafter that extends from ridgepole to top plate. component: part or element of structure. conduit: tube, pipe, or channel, especially for fluids or electric wiring. connecting rod: reciprocating rod that connects two or more machine parts. corner: point at which two or more surfaces meet, often a right angle. corner board: exterior finish board at corner that abuts siding. corner brace: diagonal structural support. cornice: exterior trim at juncture of roof and wall, consisting of fascia, softie and molding. cotter: split pin with spreadable ends. counterflashing: metal surfacing especially for chimneys at roof line. coupling: machine part that connects two rotating shafts at their ends to transmit torque between them. cove molding: concave-faced molding especially between wall and ceiling. cover: something placed over a part or structure, especially to conceal or protect it. cowling: removable metal housing or cover for engine. cradle: supportive framework on which something rests. creel: basketlike cage or rack. crest: projecting ridge, top, or summit. crib: framework of strips or planks, open at top. cripple: short wall stud above or below door or window. crossbar: connective bar placed in horizontal position. crossbeam: transverse beam in structure, such as joist. cross bridging: bridging of crisscross wood pieces; herringbone bridging. crosshead: sliding member of reciprocating engine for maintaining straight motion between piston rod and connecting rod. crosspiece: any element lying across another or connecting two or more parts. cross section: side or end section of object. crosstie: beam or rod placed crosswise for support. crown: top point, part resting at top. crutch: usually forked support element on which another part rests. culvert: drain or waterway under road or embankment. curb: enclosing framework or border: element that restrains or checks curtain wall exterior wall that protects interior wall from weather but bears no structural load. |