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.

Also pronounced uttegaeshi 打って返し, utasegaeshi 打たせ返し. Perfect symmetry on both sides of a center line…

Pillars *hashira 柱 with an inward incline. Uchikorobi…

Rafters *taruki 垂木 that extend from the flying rafter support *…

A penetrating tie beam *nuki 貫 placed directly on top of a door or…

Also called uchinorimono 内法物. The wooden materials used for the framework of a sliding screen *…

1　A relatively short horizontal timber that functions like a brace. It is attached to and extends outward…

Lit. "nightingale floor." Floor boards which rub together when walked on to produce a pleasant and delicate sound. This type…

A generic term for all supporting or receiving structural members. For example, a timber that receives an eave cornice is…

Also read umeki. A wooden dowel or plug used to fill a hole in a piece of timber. If a knot or some other flaw…

To fill in any remaining open spaces with sand, gravel, soil, or other such substances, after the foundation and all…

A generic term for backing boards, which are boards nailed over rafters to form a backing for the roofing. In an open roof…

Also called uragaeshi 裏返 or yobinuri 呼塗. Soft, rough plaster arakabe tsuchi 荒壁土 applied to…

Also urappo 裏穂. A thatching material used on vernacular dwellings *minka…

Visible eaves filler placed the eave support *kayaoi 茅負, and projected slightly…

Also read uragomi. The process of filling the gaps in the rear of a stone retaining wall or stone fence with rubble…

A plaster wall which has mud plaster applied to the front side and then to the rear side before the plaster on the front…

Also called marutagaki 丸太垣. A fence constructed with logs positioned at fairly close intervals and three horizontal…

A crosspiece used to secure the back or upper side of a ceiling board.

Bricks or stones set at the back of a brick or stone wall to give it extra support. The term is an abbreviation of …

1　A particularly large beam that runs in a longitudinal direction, ketayuki hōkō 桁行方向 (see *…

The rear stage between dressing rooms and the rear door of the main stage in a *kabuki…

Lit. "thin sills." A lintel and sill used under and above transom *ranma 欄間.…

Also written 空柱. Lit. "hollow pillar." A box-like down-spout tatedoi 竪樋 used to carry rainwater from roof gutters…

Also called tenba 天端.

1　The top surface of an object, or the peak of a structural member.…

Also written 上貼, also called visible top layer keshōbari 化粧張, front side hyōmenbari 表面張 or finishing…

The upper-most eave of a nokizuke 軒付 or nokiba 軒端 eave end. Each part of the eave has a name. The…

1　Also shiagenuri 仕上げ塗. The final layer applied to a decorative painting sōshoku kōji…

The top or finishing coat of a mud plaster wall, tsuchimonokabe 土物壁 or ōtsukabe 大津壁.

Also called tori-no-shita 鳥の舌 (lit. "bird's tongue"). A somewhat triangular piece of wood added to a bracket arm *…

A board with a carved spiral-like uzusen 渦線 linear design. It is found on frog-leg struts *…