a diagonal member of a roof principal, usually forming part of a truss and supporting the purlins on which the common rafters rest. See diag. under king post .
[ 1655-65 ]
a diagonal member of a roof principal, usually forming part of a truss and supporting the purlins on which the common rafters rest. See diag. under king post .
[ 1655-65 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012