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Definition of purlin - 2 dictionary results

pur⋅lin

[pur-lin]
–noun
a longitudinal member in a roof frame, usually for supporting common rafters or the like between the plate and the ridge.
Also, purline.
See diags. under king post, queen post.


Origin:
1400–50; late ME purlyn, purloyne, akin to AL perliō; of uncert. orig.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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pur·lin also pur·line   (pûr'lĭn)   
n.  One of several horizontal timbers supporting the rafters of a roof.

[Middle English.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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