Also called iga いが. Lit. cusp.

1　The point where two curved lines or forms meet. The…

A ladder hewed from a single log during the Yayoi period.

A single window or door opening. Also, a single door or window. They may swing on hinges one way, both ways, or slide.

A term used in all parts of Japan in the Edo period, for a straight shelf *tana…

1　A generic term for any group of structural members set in a grid pattern.　

2　The…

Also abbreviated to ijō 居定. The degree of pitch on the underside of a rafter support *…

Lit. to keep flowers alive. Flower arrangements. Originated in Buddhist flower offerings kuge 供花 from the 6th…

The aesthetic ideal of the Edo merchant class during the late 18th and 19th centuries, combining material sensuality and…

Slip fasteners. The wooden or bamboo pieces used on the reverse side of the overlapped boards of a board-and-batten ceiling…

Also sasuzuka sasuzaoshiki 扠首束扠首竿式, *sasuzao 扠首竿, *…

Also written 犬行. Lit. dog run. A narrow inset in wall ramparts, or in an embankment of earth forming a footpath or ledge.…

Also pronounced inubōgi.

1　In temples and shrines, a lattice *…

Also called komafusegi 駒防ぎ. Concave screens about 60 cm high and of varying length made of closely-spaced bent…

General drawings which reflect all the contents of a building, its plan and design. Such drawings must depict the function…

Also called *wata-ita 綿板. Thin panels of wood inserted between the rails …

Also called moyabashira 母屋柱 or 身舎柱. Pillars that are erected inside and parallel to the pillars positioned on the…

A door frame made of a head lintel and vertical door jambs to which doors are attached with hinges.

Pillars *hashira 柱 at the inner boundary of a pent roof…

1　A corridor or passageway between the main body of a residence and the veranda. It is also found in temple…

Purlins, *keta 桁, placed along the tops of pillars surrounding the…

The bargeboards on the gable end of a hip-and-gable roof *irimoya yane…

A hip-and-gable roof. In Japanese architecture, the gable part is usually over the core area of the building, *…

A hip-and-gable roof construction, or a building with this roof construction. A gable type roof has a ridge and gable…

The internal angle made by the junction of two planes, such as walls, a wall and ceiling, or the inside angle made by the…

Also kanokodate 鹿の子建 and ishitsuki 石付. A technique used at a folk dwelling to attach a pillar to a…

The point at which a base stone and a pillar are joined. The upper surface of a plinth stone on which another stone may be…

1　The cutting and arrangement of stones.

2　The layout of masonry.

Also written 鈑 or 版. Originally a relatively thin flat timber, stone, or sheet of metal. In the medieval period (1185-1568…

A thin, flat stone resembling a board. Also called a plate stone. The stone can be divided into three types depending on the…

Traditional transoms that are made of wood and have sections filled with a single board, or one or two parts are filled with…

Also called itabari tenjō 板張天井 or *hariita tenjō 張板天井…

A wooden board or plank fence. Wooden fences made of planks and set directly into the ground are called hottate itabei…

One type of pagoda or stupa, tōba 塔婆, in the form of a flat stone stele that became prevalent in the early 13th…

Wood shingles. Widely used in Japan for buildings of many kinds, ranging from palaces, elite residences, shrines, and…

A roof structure covered with boards or planks. Various names are used depending on the size of the boards. A large plan…

Wooden panels with the grain set in alternating directions in a coffered ceiling *…

1　The boards covered by tightly woven straw mats *tatami 畳,…

An Edo period term for wooden planks with a rectangular cross-section, between 5 cm and 30 cm thick. These planks were cut…

A common type of wooden board flooring commonly used before thick straw matting *tatami…

Also read itagarado; also called itatobira 板扉. A 6th-7th century door made of a single, thick wooden plank…

Thick boards used to cover exposed base rafters visible under eaves. Examples: Eihōji Kannondō 永保寺観音堂 (1315), Gifu…

Also read itaoshi. Battens used to prevent boards from moving. They are long, thin strips of wood set vertically…

A shortened form of itomasame 糸柾目. Straight, narrow grained wood. Two examples are Japanese arborvitae, nezuko…

A very narrow, chamfer about 3 mm wide, made by planing the corners of posts. The term has been used from the 17th century…

A rare five-stepped bracket complex found at a temple on Sado 佐渡 Island, Niigata Prefecture.

1　One of the purlins used in a hidden roof *noyane …

A vertical timber that rises from a level or inclined surface. In modular measurement of timber *…

Lit. "large bottle strut." A strut that is used mainly in Zen style architecture *…

The trimming or hewing of the opposite sides of a log so that the surfaces become flat and parallel making it easier to join…

Also called taikobari 太鼓張, fukuroshōji 袋障子, bōzufusuma 坊主襖.
A type of paper-covered,…

Also called soribashi 反橋. An arched bridge made of stone or wood. One example is the Yoka Jinja 与賀神社 (1607) in Saga…

A door frame covered on both sides with boards or panels. The inside of the door, like a drum taiko 太鼓, is empty.…

A pillar or post that is multi-sided or cut with many facets.

Lit. "bamboo post." One that has been squared off.

Bamboo or bamboo muntins that are used for windows in dwellings where a suggestion of rusticity is needed, or in tea…

Paper-covered bamboo frames used as full-sized sliding doors *shōji 障子, or the…

The generic term for a fence surrounding the square or rectangular space containing the main sanctuary *…

A solid, single beam made from one timber. The term is used to differentiate it from a composite beam called gōseibari…

Shelves.

1　 A type of shelf, sometimes with a rack, of which there are many ordinary household…

A timber shorter than the standard length.

A single-structure storehouse constructed of triangular timber or planks set in grid plan, *…

Also written たるき. This is the simplest type of rafter, called common rafter or base rafter. It extends from the ridge *…

Lit. "rafter construction." Also referred to as odachi toriigumi おだち鳥居組. One of the two principal types of assembly…

An angled joint *shiguchi 仕口 used to insert rafters into a ridge *…

A board placed parallel to the rafters on a gable roof *kirizuma yane …

Also read tarukigake. A horizontal timber attached to the posts of an exterior wall to support the undersides of…

The various systems of placing rafters *taruki 垂木 in relation to the pillars *…

The degree of curvature on a bargeboard *hafu 破風, or on a roof between the peak…

Also read tōsho. The burial place for the remains of prominent Buddhist priests. Historically, the ashes of Buddha…

Also called sukebari. A beam which stabilizes bottle struts *taiheizuka…

Also tasukizan. Thin stips of timber san 桟 that intersect to form a criss-cross pattern or a zig-zag…

A floor covering made of tightly woven grass and straw. A standard tatami is a rectangular mat about 1.82 m (≒6')…

Also called *yosejikii 寄敷居. A small, horizontal wooden strip that is placed…

Also written 鑪. The modern character is ro 鈩, and can mean furnace. Tatara is an ancient word meaning…

A board and batten wall. Thin boards with battens attached are set vertically to hide the joints, a Zen style *…

A type of tomb made in the Tumulus period, also called Kofun period. A pit was dug and lined with cut stone such that the…

Also called nunobame 布羽目. Vertically placed wooden panels cut from the long side of a large piece of timber. When…

Also read ritchūshiki. A ceremony performed when the main post, tate-bashira, of a building is erected.…

Also written 縦縁. Perpendicular stiles on both sides of opaque sliding screens *fusuma…

Also read jūdanmen-zu, meaning "to cut vertically." Either a longitudinal or cross section drawing made along the…

Also called tatsudoi 立樋. A cylindrical or square drain pipe that allows rain water to flow from the rain gutters *…

Also read tachidokoro. The point where a structural timber begins to rise. For example, the place where the bottom…

A generic term for removable screens, doors or shutters. This includes: sliding screens *…

Lit. "vertical post shrine fence." Also called kakutamagaki 角玉垣 (square shrine fence) or *…

Also written 縦ほぞ. Usually the two tenons made on each end of a threshold *shikii…

Also written 竪蔀; also called itajitomi 板蔀. A moveable fence used in aristocratic dwellings of the Heian and…

All the basic wooden structural members produced at a building site including the ridge, and the ceremony of raising the…

Also called awasemeji 合目地. Lines made when vertical stone panels are arranged along the sides of podii *…

Also called tatehonshigesan 竪本繁桟, tatehonshigesankumi 竪本繁桟組; tateshigekumi 竪繁組. Closely-spaced…

The measurement of floor space in any traditional type building using *tsubo 坪 (3.31 meters…

The accurate alignment of posts, pillars, stiles, and trim on a door frame in order to allow for the perfect fit of a hinged…

The boards placed over rafters *taruki 垂木, to form the underside of a roof and…

Also called tatedōzan 竪胴桟. Vertical lath used for a door or window frame. Lath called san 桟 can be set…

Lit. "Secret Text on Garden Construction." A treatise on landscape design supposedly written first in the Muromachi period.…

Two large posts placed to the right and left of the *kabuki 歌舞伎 stage, kabuki …

Lit. "ceiling boards." Ceiling boards made from cypress, fir, white or red cedar, and other coniferous trees. The zelkova…

Also called *tenjō-ita 天井板. Single-panel boards side by side to…

Also tenjōkamachi 天井框. A long, light, binding beam, sometimes rabbeted, running horizontally along the wall in the…

Also called arikabe nageshi 蟻壁長押, mawaribuchi nageshi 回縁長押.

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