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principal rafter
noun
- a diagonal member of a roof principal, usually forming part of a truss and supporting the purlins on which the common rafters rest.
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˜yÐÄvlog History and Origins
Origin of principal rafter1
First recorded in 1655–65
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Example Sentences
Examples have not been reviewed.
The Modillions represent the ends of the Sheers, and the Dentels represent the ends of the principal Rafter.
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Two sketches are shown at the joining of the tie beam and the principal rafter.
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A, B, tie beam; C, C, queen posts; D, straining piece; E, principal rafter; F, rafter.
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