(Arch.)

a horizontal piece of timber connecting and tying together two opposite rafters; - also, called simply collar.

See also: Collar

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.

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References in periodicals archive

In this setup four bladed rotor was kept on fixed position and wind source with constant wind beam was adjustable to decide the suitable striking angle of the wind source on the blade starting from origin of the rotor towards the tip of the blade as shown in Fig.

Here, in this case only wind beam direction side quadrant was left open to intake wind from tunnel.

Downstream wind flow path diversion and its effects on the performance of vertical axis wind turbine

In addition to the hold-downs that bolt to triple studs between windows and doors, a horizontal 4- by 6-inch tubular steel wind beam runs between the lower and upper window banks to stiffen the two-story window walls in the living room.

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Collar beam