ōire 大入

Keywords
Architecture
Joints

Also written 追入 or 尾入. A dadoed or housed, angled T-joint, which is used to join beams to posts. A shallow square or rectangle is cut out of a post and the cut end of a transverse beam is inserted into it. Dovetail tenons *arihozo 蟻ほぞ and rectangular pins may be added for strengthening. There are many variations of ōire. One example is the kashigi ōire hozosashi かしぎ大入ほぞ差, an inclined, housed full mortise and tenon joint with a pin *sen 栓 inserted to hold the tenon securely.