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purlin

American  
[pur-lin] / ˈpɜr lɪn /
Or purline

noun

  1. a longitudinal member in a roof frame, usually for supporting common rafters or the like between the plate and the ridge.

purlin British  
/ ˈpɜːlɪn /

noun

  1. a horizontal beam that provides intermediate support for the common rafters of a roof construction

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of purlin

1400–50; late Middle English purlyn, purloyne, akin to Anglo-Latin perliō; of uncertain origin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.