Queen-post is a structural component used in architecture and woodworking that provides support to a roof or bridge. It is a vertical member that is attached between the tie beam and the collar beam. Some synonyms for the queen-post include queen strut, arched brace, queen bolt, and king post. Queen-post is most commonly used in traditional timber framing and is an important element for the overall stability and aesthetics of the structure. The term queen-post may vary regionally and based on the particular type of structure or trade. Regardless of terminology, the queen-post has remained an essential component of timber frame building for centuries and continues to be an essential part of modern architecture.