Concerning the name of each side of a building, the longer side or the side parallel to the ridge is called Hira, and the shorter side or the side perpendicular to the ridge is called Tsuma. |
建物の各面の呼び名として、長辺側、あるいは屋根の棟(むね)(大棟)と平行な面を平(ひら)といい、短辺側、あるいは屋根の棟(大棟)と直角な面を妻(つま)という。 |