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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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Word History and Origins
Origin of principal rafter1
First recorded in 1655–65
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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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