- (in a queen-post roof) a horizontal beam uniting the tops of the two queen posts, and resisting the thrust of the roof.
Origin of straining piece
First recorded in 1795–1805
Also called straining beam.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a horizontal tie beam that connects the top of two queen posts of a roof truss