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 written 寂.
1　An idea of beauty particularly important in the tea ceremony and haiku 俳句…

Also written 盃面戸. Sometimes called goki 呉器 or gokibame 呉器羽目. The space created between small bearing…

A fence supported by posts along its rear side, usually with more than four posts per one bay. The facing boards are placed…

Also read shamon. Lit. "sand crest." The technique of making a pattern or design in sand or gravel. The creation of…

The junction points on a door or window frame where the top rail *kamigamachi…

The transverse beams placed in a row at right angle to the large header beams *kabuki…

A simple door made of vertical planks with horizontal cross members that are about as wide as the vertical ties placed…

1　A structural element or tenon that projects out from the end of a board, post, or beam. Such projecting…

A purlin-bearing bracket arm; one that is inserted into the small bearing blocks *makito…

Also read sankarado. Paneled entrance doors introduced from China in the 13th to 14th century. They are associated…

A nail that is bent in three tines at a ninety degree angle. Like the twice bent nail *…

Roof framework composed of struts separating three tiers of transverse beams, each proportionately shortened in length than…

Lit. "three, four, five." A large size right-angled carpenter's square, ōgane 大矩, with a ratio of 3:4:5 cm. The two…

Lit. "a pole or rod." Aiso written 棹.

1　A lapped rod joint. The stacked tenon *…

Also written 棹縁天井. A board and batten ceiling. A simple ceiling made of light weight boards laid in one direction over…

Lit. "plate-like bearing block." A relatively flat, wooden block set beneath the large bearing block *…

1　Monkey. The monkey is represented in kyōgen 狂言 by a masked and costumed figure. The monkey mask…

Also called sanbashigo 桟梯子. A ladder made of wood or bamboo placed in an almost vertical position to reach the…

Lit. "monkey head pent roof." A pent roof *hisashi 廂, with pentagonal members…

A ceiling characterized by battens with six sides that are not all the same size. It is similar to a *…

1　The pyramidal shaped top of a post on the handrail of a wooden bridge. If there is only a heavy base…

Lit. "monkey headpost." A general term for timber members of pentagonal cross-section, created by chamfering away the upper…

A string, or stringer. The boards set diagonally on each side of a staircase in order to receive the treads fumi-ita…

Also called sasarako bame 簓子羽目. A traditional type of weather board used to cover exterior walls. The overlapping…

A very small common type of memorial stupa that is made of bamboo-grass sasa 笹 and used in many parts of Japan.…

Also called sashibari 指梁. The short visible purlins that jut beyond the barge course *…

Also written 差肘木 or 指肘木. One or more bracket arms *hijiki 肘木, inserted into the…

Also called sashikake yane 差掛屋根 or sashidashi 差出. A pent roof, shed roof or lean-to roof covering an…

Also written 差木 or 挿木. A generic term for the joining of timbers at right angle by inserting one into the other, most often…

Short purlins *keta 桁, about the length of one bay, inserted into the bargeboards…

A short purlin *keta 桁, that extends from the second strut within a hidden roof…

Lit. "insert ridge." Also written 指棟. Short, exposed ridges *keshō munagi…

1　Equivalent to *inokosasu 豕扠首 in shrine and temple…

Also sashibari 指梁. The transverse beam which supports the triangular framework *…

The horizontal base on which the diagonal braces *sasuzao 扠首竿 are placed in the gable of a…

1　Diagonal braces *sasuzao 扠首竿, set on transverse beams *…

Flush or even surfaces. Surfaces that are on the same plane. For example, a threshold *shikii…

Also 扠首棹. The diagonal braces used to form the triangular frame in many gable pediments *…

Also keshōzuka 化粧束.

1　A short strut centered between the diagonal braces *…

Also called ōiya 覆屋 or *kusari-no-ma 鎖の間.

1…

Also written 脊. Lit. "back."

1　The convex side of a curved timber. The concave side is called the…

Also written 丈, 背. Lit. "depth or thickness." The distance between the underside and topside of timber, stones and…

Ch: Xiyuanyaji. Lit. "Elegant Gathering in the Western Garden." A pictorial subject depicting an imaginary literati party at…

Also written 清楼棚 or 西楼棚, sometimes called seinikaidana 西二階棚. Staggered shelves *…

Also called *dotome-ita 土留板, maku-ita 幕板. Palings, poling…

Lit. "stone Buddha." A Buddhist image made in rock or stone. The term sekizō 石造 (carving from stone) was used…

The execution of a construction project.

Working scale drawings, including plans, elevations, and roof structure, etc. They are enlarged drawings that show various…

Also called komisen 込栓. A pin, peg, key, cotter or dowel made of hardwood, usually oak or zelkova. It varies in…

Lit. "Warring States period." The period began with the outbreak of the Ōnin Wars (Ōnin no ran 応仁の乱, 1467-77) and…

Also called seridashi 迫出, seriage 迫上. Lit. "trap" or "trap door." A platform on which actors or some types…

Also setchū kenchiku 折衷建築. Architecture that became strongly influenced in the 14th-15th century by two new…

A method of preventing cracks in the heartwood *shinzai 心材 or jushin 樹心, of a…