(n.) A member of a common form of truss, as a roof truss. It is strictly a tie, intended to prevent the sagging of the tiebeam in the middle. If there are struts, supporting the main rafters, they often bear upon the foot of the king-post. Called also crown-post.
KING-POST
Meaning of KING-POST in English
Webster's English dictionary. Английский словарь Webster. 2012