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1 The direction in which *hari 梁, transverse beams run in a building. A member running in the direction of the hari (harima houkou 梁間方向) runs at right angles to the ridge of the roof.
2 The distance spanned by the main transverse beams, *jouyabari 上屋梁, *koyabari 小屋梁, supporting the roof structure, *koyagumi 小屋組, measured from the centerline of the support posts, *hashira 柱, or struts, *tsuka 束, at both ends of the building. The figure may be measured in precise dimensional terms (i.e. in meters or in Japanese feet shaku 尺) , or in no. of bays, *ken 間. If a building has a pent roof *geya 下屋, or an aisle, *hisashi 庇, at the front or rear, the harima is less than the total cross-sectional depth, *okuyuki 奥行, of the building. Edo-period documents show that in the case of traditional vernacular houses, *minka 民家, the sizes of buildings are believed to understate the actual dimensions because a harima span of more than three ken was prohibited in many areas, so additional space was simply defined as geya and not recorded.
3 The overall cross-sectional width of a building (measured in precise dimensions or number of bays), irrespective of the span of the main transverse beams. See *ketayuki 桁行 (the longitudinal equivalent of harima).
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