• synonyms


or pur·line

[ pur-lin ]
/ ˈpɜr lɪn /


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

Nearby words

purkinje shift, purkinje's figures, purl, purler, purlieu, purlin, purlin plate, purloin, purpart, purparty, purple

Origin of purlin

1400–50; late Middle English purlyn, purloyne, akin to Anglo-Latin perliō; of uncertain origin Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for purlin



/ (ˈpɜːlɪn) /


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

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