Bible Encyclopedias
Purlin

1911 Encyclopedia Britannica

a term in architecture for the longitudinal timbers of a roof, which are carried by the principal rafters and the end walls and support the common rafters.

Bibliography Information
Chisholm, Hugh, General Editor. Entry for 'Purlin'. 1911 Encyclopedia Britanica. https://www.studylight.org/​encyclopedias/​eng/​bri/​p/purlin.html. 1910.