• synonyms


or pur·line

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

1400–50; late Middle English purlyn, purloyne, akin to Anglo-Latin perliō; of uncertain origin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for purline

Historical Examples of purline

  • Purline plate rests on these posts and consists of 1 × 8s sprung to the circle.

    Economy of the Round Dairy Barn

    Wilber John Fraser

  • I am walking again in my stocking feet, high on the "purline plate," beetle in hand, driving home the oaken "pins."

British Dictionary definitions for purline



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

C15: of uncertain origin
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