king-post truss

king-post truss

A structural support for a roof formed by two inclined rafters joined at the apex of their intersection; a horizontal tie beam, 2 connects the rafters near their lower ends, and a vertical central member, called the king post, connects the apex with the midpoint of the tie beam.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.