Artificial intelligent assistant

queen-post

ˈqueen-post
  [Cf. king-post.]
  One of two upright timbers in a roof-truss, which are framed above into the rafters and below into the tie-beam, at points equidistant from its middle or ends.

1823 P. Nicholson Pract. Build. 127 The use of the queen-posts is similar to that of the king-posts; viz. for furnishing a general support for the principals. 1847 Smeaton Builder's Man. 72 When the king-post is not thought to be sufficient to support the pressure..Queen-posts..may be used. 1851 Turner Dom. Archit. II. iv. 162 This [roof] is very strong and massive, with tie-beams and queen posts.


attrib. 1836 Parker Gloss. Archit. (1850) 394 A king-post roof has one vertical post in each truss, a queen-post roof has two.

Oxford English Dictionary

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